[tor-commits] [torbrowser/maint-2.3] Include anti-fingerprinting patches from Pearl Crescent, LLC.

mikeperry at torproject.org mikeperry at torproject.org
Tue Oct 9 22:22:00 UTC 2012


commit 1720f1520443c0c1e3be03abbb467662d4d54e33
Author: Mike Perry <mikeperry-git at fscked.org>
Date:   Tue Oct 9 15:04:56 2012 -0700

    Include anti-fingerprinting patches from Pearl Crescent, LLC.
---
 ...nents.interfaces-lookupMethod-from-conten.patch |   10 +-
 ...0002-Make-Permissions-Manager-memory-only.patch |    4 +-
 ...-Make-Intermediate-Cert-Store-memory-only.patch |    4 +-
 .../firefox/0004-Add-a-string-based-cacheKey.patch |    4 +-
 .../0005-Block-all-plugins-except-flash.patch      |    4 +-
 ...ontent-pref-service-memory-only-clearable.patch |    4 +-
 ...owser-exit-when-not-launched-from-Vidalia.patch |    6 +-
 .../0008-Disable-SSL-Session-ID-tracking.patch     |    6 +-
 ...observer-event-to-close-persistent-connec.patch |    4 +-
 ...ice-and-system-specific-CSS-Media-Queries.patch |   68 ++-
 ...11-Limit-the-number-of-fonts-per-document.patch |    4 +-
 .../0012-Rebrand-Firefox-to-TorBrowser.patch       |    4 +-
 .../0013-Make-Download-manager-memory-only.patch   |    4 +-
 .../0014-Add-DDG-and-StartPage-to-Omnibox.patch    |    4 +-
 ...-nsICacheService.EvictEntries-synchronous.patch |    8 +-
 .../firefox/0016-Prevent-WebSocket-DNS-leak.patch  |    4 +-
 ...ize-HTTP-request-order-and-pipeline-depth.patch |    4 +-
 ...th-headers-before-the-modify-request-obse.patch |    4 +-
 ...Adapt-Steven-Michaud-s-Mac-crashfix-patch.patch |    4 +-
 ...d-mozIThirdPartyUtil.getFirstPartyURI-API.patch |    4 +-
 .../0021-Add-canvas-image-extraction-prompt.patch  |  551 ++++++++++++++++++++
 ...nt-window-coordinates-for-mouse-event-scr.patch |   43 ++
 ...se-physical-screen-info.-via-window-and-w.patch |  312 +++++++++++
 ...not-expose-system-colors-to-CSS-or-canvas.patch |  537 +++++++++++++++++++
 24 files changed, 1541 insertions(+), 60 deletions(-)

diff --git a/src/current-patches/firefox/0001-Block-Components.interfaces-lookupMethod-from-conten.patch b/src/current-patches/firefox/0001-Block-Components.interfaces-lookupMethod-from-conten.patch
index c99e10a..1a82800 100644
--- a/src/current-patches/firefox/0001-Block-Components.interfaces-lookupMethod-from-conten.patch
+++ b/src/current-patches/firefox/0001-Block-Components.interfaces-lookupMethod-from-conten.patch
@@ -1,7 +1,7 @@
-From 18fea351a9f218893514ccbca82c492ce81d038d Mon Sep 17 00:00:00 2001
+From 1c2ccbea73720db5405602e4033c69b706068a8b Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Wed, 1 Feb 2012 15:40:40 -0800
-Subject: [PATCH 01/19] Block Components.interfaces,lookupMethod from content
+Subject: [PATCH 01/24] Block Components.interfaces,lookupMethod from content
 
 This patch removes the ability of content script to access
 Components.interfaces.* as well as call or access Components.lookupMethod.
@@ -20,10 +20,10 @@ https://trac.torproject.org/projects/tor/ticket/2874
  1 files changed, 6 insertions(+), 2 deletions(-)
 
 diff --git a/js/xpconnect/src/XPCComponents.cpp b/js/xpconnect/src/XPCComponents.cpp
-index 3bcbf91..d5c020a 100644
+index 38bfe08..7224b9b 100644
 --- a/js/xpconnect/src/XPCComponents.cpp
 +++ b/js/xpconnect/src/XPCComponents.cpp
-@@ -4456,7 +4456,9 @@ nsXPCComponents::CanCreateWrapper(const nsIID * iid, char **_retval)
+@@ -4502,7 +4502,9 @@ nsXPCComponents::CanCreateWrapper(const nsIID * iid, char **_retval)
  NS_IMETHODIMP
  nsXPCComponents::CanCallMethod(const nsIID * iid, const PRUnichar *methodName, char **_retval)
  {
@@ -34,7 +34,7 @@ index 3bcbf91..d5c020a 100644
      *_retval = xpc_CheckAccessList(methodName, allowed);
      return NS_OK;
  }
-@@ -4465,7 +4467,9 @@ nsXPCComponents::CanCallMethod(const nsIID * iid, const PRUnichar *methodName, c
+@@ -4511,7 +4513,9 @@ nsXPCComponents::CanCallMethod(const nsIID * iid, const PRUnichar *methodName, c
  NS_IMETHODIMP
  nsXPCComponents::CanGetProperty(const nsIID * iid, const PRUnichar *propertyName, char **_retval)
  {
diff --git a/src/current-patches/firefox/0002-Make-Permissions-Manager-memory-only.patch b/src/current-patches/firefox/0002-Make-Permissions-Manager-memory-only.patch
index 5d5a741..fa23d93 100644
--- a/src/current-patches/firefox/0002-Make-Permissions-Manager-memory-only.patch
+++ b/src/current-patches/firefox/0002-Make-Permissions-Manager-memory-only.patch
@@ -1,7 +1,7 @@
-From 336217485d707ff63ef42d2a0bc3705c2c7f7a3c Mon Sep 17 00:00:00 2001
+From cd983b1b57b1f4ae10c8deec5aa12ec957fdc855 Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Wed, 1 Feb 2012 15:45:16 -0800
-Subject: [PATCH 02/19] Make Permissions Manager memory-only
+Subject: [PATCH 02/24] Make Permissions Manager memory-only
 
 This patch exposes a pref 'permissions.memory_only' that properly isolates the
 permissions manager to memory, which is responsible for all user specified
diff --git a/src/current-patches/firefox/0003-Make-Intermediate-Cert-Store-memory-only.patch b/src/current-patches/firefox/0003-Make-Intermediate-Cert-Store-memory-only.patch
index 912d82f..b10fb85 100644
--- a/src/current-patches/firefox/0003-Make-Intermediate-Cert-Store-memory-only.patch
+++ b/src/current-patches/firefox/0003-Make-Intermediate-Cert-Store-memory-only.patch
@@ -1,7 +1,7 @@
-From e6d127b805461470bff0dad12f5ad89fc3cd3df3 Mon Sep 17 00:00:00 2001
+From f100a7979e1a44863a8a67a09743f0e17b5dd14e Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at fscked.org>
 Date: Fri, 19 Aug 2011 17:58:23 -0700
-Subject: [PATCH 03/19] Make Intermediate Cert Store memory-only.
+Subject: [PATCH 03/24] Make Intermediate Cert Store memory-only.
 
 This patch makes the intermediate SSL cert store exist in memory only.
 
diff --git a/src/current-patches/firefox/0004-Add-a-string-based-cacheKey.patch b/src/current-patches/firefox/0004-Add-a-string-based-cacheKey.patch
index af88b70..f3afa97 100644
--- a/src/current-patches/firefox/0004-Add-a-string-based-cacheKey.patch
+++ b/src/current-patches/firefox/0004-Add-a-string-based-cacheKey.patch
@@ -1,7 +1,7 @@
-From 84668dfe7bdcd35d96ffcaf273ade5a5d8d470f8 Mon Sep 17 00:00:00 2001
+From d674d09bc233d200b1ebc47f8e6ac4ebd6e4225a Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at fscked.org>
 Date: Fri, 2 Sep 2011 20:47:02 -0700
-Subject: [PATCH 04/19] Add a string-based cacheKey.
+Subject: [PATCH 04/24] Add a string-based cacheKey.
 
 Used for isolating cache according to same-origin policy.
 ---
diff --git a/src/current-patches/firefox/0005-Block-all-plugins-except-flash.patch b/src/current-patches/firefox/0005-Block-all-plugins-except-flash.patch
index e6d5adc..e7a831e 100644
--- a/src/current-patches/firefox/0005-Block-all-plugins-except-flash.patch
+++ b/src/current-patches/firefox/0005-Block-all-plugins-except-flash.patch
@@ -1,7 +1,7 @@
-From 3457f78e346df5962449cbd5aa86624e19fd5f64 Mon Sep 17 00:00:00 2001
+From 88a390822d232ba037de1f15091977ca7e1064bf Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Wed, 1 Feb 2012 15:50:15 -0800
-Subject: [PATCH 05/19] Block all plugins except flash.
+Subject: [PATCH 05/24] Block all plugins except flash.
 
 We cannot use the @mozilla.org/extensions/blocklist;1 service, because we
 actually want to stop plugins from ever entering the browser's process space
diff --git a/src/current-patches/firefox/0006-Make-content-pref-service-memory-only-clearable.patch b/src/current-patches/firefox/0006-Make-content-pref-service-memory-only-clearable.patch
index 1ea7e14..17af793 100644
--- a/src/current-patches/firefox/0006-Make-content-pref-service-memory-only-clearable.patch
+++ b/src/current-patches/firefox/0006-Make-content-pref-service-memory-only-clearable.patch
@@ -1,7 +1,7 @@
-From 66ff6c30d5b1de5d549181acbba686f792fe4cb4 Mon Sep 17 00:00:00 2001
+From 71ba98d81a6ecada62af4d2ee03be050d371d996 Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at fscked.org>
 Date: Thu, 8 Sep 2011 08:40:17 -0700
-Subject: [PATCH 06/19] Make content pref service memory-only + clearable
+Subject: [PATCH 06/24] Make content pref service memory-only + clearable
 
 This prevents random urls from being inserted into content-prefs.sqllite in
 the profile directory as content prefs change (includes site-zoom and perhaps
diff --git a/src/current-patches/firefox/0007-Make-Tor-Browser-exit-when-not-launched-from-Vidalia.patch b/src/current-patches/firefox/0007-Make-Tor-Browser-exit-when-not-launched-from-Vidalia.patch
index 5d384a7..cc496d3 100644
--- a/src/current-patches/firefox/0007-Make-Tor-Browser-exit-when-not-launched-from-Vidalia.patch
+++ b/src/current-patches/firefox/0007-Make-Tor-Browser-exit-when-not-launched-from-Vidalia.patch
@@ -1,7 +1,7 @@
-From d6956a597662f3d753622377183cb317ef6a3ad4 Mon Sep 17 00:00:00 2001
+From 12579def59d67416b841f6b0a6eadfd94bba72e9 Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at fscked.org>
 Date: Sun, 9 Oct 2011 22:50:07 -0700
-Subject: [PATCH 07/19] Make Tor Browser exit when not launched from Vidalia
+Subject: [PATCH 07/24] Make Tor Browser exit when not launched from Vidalia
 
 Turns out the Windows 7 UI encourages users to "dock" their Tor Browser app
 for easy relaunch. If they manage to do this, we should fail closed rather
@@ -16,7 +16,7 @@ actually be common.
  1 files changed, 15 insertions(+), 0 deletions(-)
 
 diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
-index b06a17b..fc1d305 100644
+index f16a0c5..20e3666 100644
 --- a/browser/base/content/browser.js
 +++ b/browser/base/content/browser.js
 @@ -1217,6 +1217,21 @@ function BrowserStartup() {
diff --git a/src/current-patches/firefox/0008-Disable-SSL-Session-ID-tracking.patch b/src/current-patches/firefox/0008-Disable-SSL-Session-ID-tracking.patch
index 82438c2..39e1483 100644
--- a/src/current-patches/firefox/0008-Disable-SSL-Session-ID-tracking.patch
+++ b/src/current-patches/firefox/0008-Disable-SSL-Session-ID-tracking.patch
@@ -1,7 +1,7 @@
-From 70161b38e1855ce4b7a61ac1e9572fb07dfbedda Mon Sep 17 00:00:00 2001
+From 7586e413761858ce705d25d4a1673e608a162bed Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at fscked.org>
 Date: Wed, 7 Dec 2011 19:36:38 -0800
-Subject: [PATCH 08/19] Disable SSL Session ID tracking.
+Subject: [PATCH 08/24] Disable SSL Session ID tracking.
 
 We can't easily bind SSL Session ID tracking to url bar domain,
 so we have to disable them to satisfy
@@ -11,7 +11,7 @@ https://www.torproject.org/projects/torbrowser/design/#identifier-linkability.
  1 files changed, 1 insertions(+), 1 deletions(-)
 
 diff --git a/security/nss/lib/ssl/sslsock.c b/security/nss/lib/ssl/sslsock.c
-index 28e6210..fa48ecd 100644
+index 0c4d0c7..8d23fc0 100644
 --- a/security/nss/lib/ssl/sslsock.c
 +++ b/security/nss/lib/ssl/sslsock.c
 @@ -173,7 +173,7 @@ static sslOptions ssl_defaults = {
diff --git a/src/current-patches/firefox/0009-Provide-an-observer-event-to-close-persistent-connec.patch b/src/current-patches/firefox/0009-Provide-an-observer-event-to-close-persistent-connec.patch
index 39a71a4..e693c71 100644
--- a/src/current-patches/firefox/0009-Provide-an-observer-event-to-close-persistent-connec.patch
+++ b/src/current-patches/firefox/0009-Provide-an-observer-event-to-close-persistent-connec.patch
@@ -1,7 +1,7 @@
-From d5ef29d9219a7ff9a78f9523845a2e2966c2a266 Mon Sep 17 00:00:00 2001
+From 9c6f997dd9a44336af9a1db17f5b680cc80a0e6c Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Wed, 1 Feb 2012 15:53:28 -0800
-Subject: [PATCH 09/19] Provide an observer event to close persistent
+Subject: [PATCH 09/24] Provide an observer event to close persistent
  connections
 
 We need to prevent linkability across "New Identity", which includes closing
diff --git a/src/current-patches/firefox/0010-Limit-device-and-system-specific-CSS-Media-Queries.patch b/src/current-patches/firefox/0010-Limit-device-and-system-specific-CSS-Media-Queries.patch
index d4f1a1a..14e584c 100644
--- a/src/current-patches/firefox/0010-Limit-device-and-system-specific-CSS-Media-Queries.patch
+++ b/src/current-patches/firefox/0010-Limit-device-and-system-specific-CSS-Media-Queries.patch
@@ -1,19 +1,14 @@
-From d3261423b0bd07fb3c0ca7b9448c9abb97053be2 Mon Sep 17 00:00:00 2001
-From: Shondoit Walker <shondoit at gmail.com>
-Date: Mon, 4 Jun 2012 19:15:31 +0200
-Subject: [PATCH 10/19] Limit device- and system-specific CSS Media Queries
+From 8f97f2f36adb9e4416f3d19af10880c800c846c2 Mon Sep 17 00:00:00 2001
+From: Kathleen Brade <brade at pearlcrescent.com>
+Date: Thu, 4 Oct 2012 14:28:48 -0400
+Subject: [PATCH 10/24] Limit device and system specific CSS Media Queries.
 
-This is done to address
-https://www.torproject.org/projects/torbrowser/design/#fingerprinting-linkability
-
-This also fixes bug #4795 by making queries still available for chrome windows,
-whilst returning nothing or non-device-specific values for web pages or extensions.
 ---
- layout/style/nsMediaFeatures.cpp |   42 ++++++++++++++++++++++++-------------
- 1 files changed, 27 insertions(+), 15 deletions(-)
+ layout/style/nsMediaFeatures.cpp |   71 ++++++++++++++++++++++++-------------
+ 1 files changed, 46 insertions(+), 25 deletions(-)
 
 diff --git a/layout/style/nsMediaFeatures.cpp b/layout/style/nsMediaFeatures.cpp
-index 6eca06e..25735e8 100644
+index 6eca06e..5b1df7e 100644
 --- a/layout/style/nsMediaFeatures.cpp
 +++ b/layout/style/nsMediaFeatures.cpp
 @@ -130,6 +130,9 @@ GetDeviceContextFor(nsPresContext* aPresContext)
@@ -63,7 +58,50 @@ index 6eca06e..25735e8 100644
  }
  
  static nsresult
-@@ -311,8 +315,12 @@ static nsresult
+@@ -236,13 +240,17 @@ static nsresult
+ GetColor(nsPresContext* aPresContext, const nsMediaFeature*,
+          nsCSSValue& aResult)
+ {
+-    // FIXME:  This implementation is bogus.  nsDeviceContext
+-    // doesn't provide reliable information (should be fixed in bug
+-    // 424386).
+-    // FIXME: On a monochrome device, return 0!
+-    nsDeviceContext *dx = GetDeviceContextFor(aPresContext);
+-    PRUint32 depth;
+-    dx->GetDepth(depth);
++    PRUint32 depth = 24; // Always return 24 to non-chrome callers.
++
++    if (aPresContext->IsChrome()) {
++        // FIXME:  This implementation is bogus.  nsDeviceContext
++        // doesn't provide reliable information (should be fixed in bug
++        // 424386).
++        // FIXME: On a monochrome device, return 0!
++        nsDeviceContext *dx = GetDeviceContextFor(aPresContext);
++        dx->GetDepth(depth);
++    }
++
+     // The spec says to use bits *per color component*, so divide by 3,
+     // and round down, since the spec says to use the smallest when the
+     // color components differ.
+@@ -280,9 +288,14 @@ static nsresult
+ GetResolution(nsPresContext* aPresContext, const nsMediaFeature*,
+               nsCSSValue& aResult)
+ {
+-    // Resolution values are in device pixels, not CSS pixels.
+-    nsDeviceContext *dx = GetDeviceContextFor(aPresContext);
+-    float dpi = float(dx->AppUnitsPerPhysicalInch()) / float(dx->AppUnitsPerDevPixel());
++    float dpi = 96; // Always return 96 to non-chrome callers.
++
++    if (aPresContext->IsChrome()) {
++      // Resolution values are in device pixels, not CSS pixels.
++      nsDeviceContext *dx = GetDeviceContextFor(aPresContext);
++      dpi = float(dx->AppUnitsPerPhysicalInch()) / float(dx->AppUnitsPerDevPixel());
++    }
++
+     aResult.SetFloatValue(dpi, eCSSUnit_Inch);
+     return NS_OK;
+ }
+@@ -311,8 +324,12 @@ static nsresult
  GetDevicePixelRatio(nsPresContext* aPresContext, const nsMediaFeature*,
                      nsCSSValue& aResult)
  {
@@ -78,7 +116,7 @@ index 6eca06e..25735e8 100644
    return NS_OK;
  }
  
-@@ -320,18 +328,21 @@ static nsresult
+@@ -320,18 +337,21 @@ static nsresult
  GetSystemMetric(nsPresContext* aPresContext, const nsMediaFeature* aFeature,
                  nsCSSValue& aResult)
  {
@@ -101,7 +139,7 @@ index 6eca06e..25735e8 100644
      aResult.Reset();
  #ifdef XP_WIN
      PRUint8 windowsThemeId =
-@@ -350,7 +361,8 @@ GetWindowsTheme(nsPresContext* aPresContext, const nsMediaFeature* aFeature,
+@@ -350,7 +370,8 @@ GetWindowsTheme(nsPresContext* aPresContext, const nsMediaFeature* aFeature,
          }
      }
  #endif
diff --git a/src/current-patches/firefox/0011-Limit-the-number-of-fonts-per-document.patch b/src/current-patches/firefox/0011-Limit-the-number-of-fonts-per-document.patch
index 33500a7..ff9e618 100644
--- a/src/current-patches/firefox/0011-Limit-the-number-of-fonts-per-document.patch
+++ b/src/current-patches/firefox/0011-Limit-the-number-of-fonts-per-document.patch
@@ -1,7 +1,7 @@
-From b562518157b03735bc4a17ecb9a233f11ff99a45 Mon Sep 17 00:00:00 2001
+From cb3a6f45dd2c15d6b75084e1a4dded18ed638632 Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Wed, 1 Feb 2012 16:01:21 -0800
-Subject: [PATCH 11/19] Limit the number of fonts per document.
+Subject: [PATCH 11/24] Limit the number of fonts per document.
 
 We create two prefs:
 browser.display.max_font_count and browser.display.max_font_attempts.
diff --git a/src/current-patches/firefox/0012-Rebrand-Firefox-to-TorBrowser.patch b/src/current-patches/firefox/0012-Rebrand-Firefox-to-TorBrowser.patch
index 583d1bf..e627238 100644
--- a/src/current-patches/firefox/0012-Rebrand-Firefox-to-TorBrowser.patch
+++ b/src/current-patches/firefox/0012-Rebrand-Firefox-to-TorBrowser.patch
@@ -1,7 +1,7 @@
-From 235aa1bffd7ada80e14d7a15b2d3e7f89f4af710 Mon Sep 17 00:00:00 2001
+From 5820fc300fe1cae27752673e8721a19e70bf727c Mon Sep 17 00:00:00 2001
 From: Erinn Clark <erinn at torproject.org>
 Date: Wed, 25 Apr 2012 09:14:00 -0300
-Subject: [PATCH 12/19] Rebrand Firefox to TorBrowser
+Subject: [PATCH 12/24] Rebrand Firefox to TorBrowser
 
 This patch does some basic renaming of Firefox to TorBrowser. The rest of the
 branding is done by images and icons.
diff --git a/src/current-patches/firefox/0013-Make-Download-manager-memory-only.patch b/src/current-patches/firefox/0013-Make-Download-manager-memory-only.patch
index 9a0533b..1ad0972 100644
--- a/src/current-patches/firefox/0013-Make-Download-manager-memory-only.patch
+++ b/src/current-patches/firefox/0013-Make-Download-manager-memory-only.patch
@@ -1,7 +1,7 @@
-From 6eba0489502d7298e0941df12a0823b13078c52b Mon Sep 17 00:00:00 2001
+From 28178fb406d86b317b13b16ade3b06e5e1500c7e Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Wed, 25 Apr 2012 13:39:35 -0700
-Subject: [PATCH 13/19] Make Download manager memory only.
+Subject: [PATCH 13/24] Make Download manager memory only.
 
 Solves https://trac.torproject.org/projects/tor/ticket/4017.
 
diff --git a/src/current-patches/firefox/0014-Add-DDG-and-StartPage-to-Omnibox.patch b/src/current-patches/firefox/0014-Add-DDG-and-StartPage-to-Omnibox.patch
index df71776..adbd3d4 100644
--- a/src/current-patches/firefox/0014-Add-DDG-and-StartPage-to-Omnibox.patch
+++ b/src/current-patches/firefox/0014-Add-DDG-and-StartPage-to-Omnibox.patch
@@ -1,7 +1,7 @@
-From c47053eea6488c5c949ff98c37a9669f969e4175 Mon Sep 17 00:00:00 2001
+From 2a80e84755c97cf4ff3ab63bda1bd5f0936d9594 Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Wed, 25 Apr 2012 15:03:46 -0700
-Subject: [PATCH 14/19] Add DDG and StartPage to Omnibox.
+Subject: [PATCH 14/24] Add DDG and StartPage to Omnibox.
 
 You mean there are search engines that don't require captchas if you don't
 have a cookie? Holy crap. Get those in there now.
diff --git a/src/current-patches/firefox/0015-Make-nsICacheService.EvictEntries-synchronous.patch b/src/current-patches/firefox/0015-Make-nsICacheService.EvictEntries-synchronous.patch
index 840c1c9..93a989b 100644
--- a/src/current-patches/firefox/0015-Make-nsICacheService.EvictEntries-synchronous.patch
+++ b/src/current-patches/firefox/0015-Make-nsICacheService.EvictEntries-synchronous.patch
@@ -1,7 +1,7 @@
-From 231dc894259f16bb39ff7d9fe3cc3fa1cda30eb1 Mon Sep 17 00:00:00 2001
+From 20c94cb890a8872c07ba13686e293ca147b85cd6 Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Tue, 1 May 2012 15:02:03 -0700
-Subject: [PATCH 15/19] Make nsICacheService.EvictEntries synchronous
+Subject: [PATCH 15/24] Make nsICacheService.EvictEntries synchronous
 
 This fixes a race condition that allows cache-based EverCookies to persist for
 a brief time (on the order of minutes?) after cache clearing/"New Identity".
@@ -12,10 +12,10 @@ https://trac.torproject.org/projects/tor/ticket/5715
  1 files changed, 13 insertions(+), 2 deletions(-)
 
 diff --git a/netwerk/cache/nsCacheService.cpp b/netwerk/cache/nsCacheService.cpp
-index 8af611f..65686c7 100644
+index 83ce887..e9f1a76 100644
 --- a/netwerk/cache/nsCacheService.cpp
 +++ b/netwerk/cache/nsCacheService.cpp
-@@ -1315,10 +1315,21 @@ NS_IMETHODIMP nsCacheService::VisitEntries(nsICacheVisitor *visitor)
+@@ -1316,10 +1316,21 @@ NS_IMETHODIMP nsCacheService::VisitEntries(nsICacheVisitor *visitor)
      return NS_OK;
  }
  
diff --git a/src/current-patches/firefox/0016-Prevent-WebSocket-DNS-leak.patch b/src/current-patches/firefox/0016-Prevent-WebSocket-DNS-leak.patch
index 05f1923..bb70b17 100644
--- a/src/current-patches/firefox/0016-Prevent-WebSocket-DNS-leak.patch
+++ b/src/current-patches/firefox/0016-Prevent-WebSocket-DNS-leak.patch
@@ -1,7 +1,7 @@
-From bf5c8236b9b995e01e7909181dfe3f01bec05149 Mon Sep 17 00:00:00 2001
+From 976f0d4fabb6b0b50c83192d622827357c761bd3 Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Wed, 2 May 2012 17:44:39 -0700
-Subject: [PATCH 16/19] Prevent WebSocket DNS leak.
+Subject: [PATCH 16/24] Prevent WebSocket DNS leak.
 
 This is due to an improper implementation of the WebSocket spec by Mozilla.
 
diff --git a/src/current-patches/firefox/0017-Randomize-HTTP-request-order-and-pipeline-depth.patch b/src/current-patches/firefox/0017-Randomize-HTTP-request-order-and-pipeline-depth.patch
index 4d0ee81..f1814e7 100644
--- a/src/current-patches/firefox/0017-Randomize-HTTP-request-order-and-pipeline-depth.patch
+++ b/src/current-patches/firefox/0017-Randomize-HTTP-request-order-and-pipeline-depth.patch
@@ -1,7 +1,7 @@
-From 276cc8cd478a6ad495758ab7aee27a6a88d12bcc Mon Sep 17 00:00:00 2001
+From 36f826e64411a74912ba1adebd1a30b84716bf84 Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Wed, 6 Jun 2012 11:08:56 -0700
-Subject: [PATCH 17/19] Randomize HTTP request order and pipeline depth.
+Subject: [PATCH 17/24] Randomize HTTP request order and pipeline depth.
 
 This is an experimental defense against
 http://lorre.uni.lu/~andriy/papers/acmccs-wpes11-fingerprinting.pdf
diff --git a/src/current-patches/firefox/0018-Add-HTTP-auth-headers-before-the-modify-request-obse.patch b/src/current-patches/firefox/0018-Add-HTTP-auth-headers-before-the-modify-request-obse.patch
index 845d60e..46cf611 100644
--- a/src/current-patches/firefox/0018-Add-HTTP-auth-headers-before-the-modify-request-obse.patch
+++ b/src/current-patches/firefox/0018-Add-HTTP-auth-headers-before-the-modify-request-obse.patch
@@ -1,7 +1,7 @@
-From 3a0261c7fdbed4a4705d5c6c39edeed4c127121f Mon Sep 17 00:00:00 2001
+From c1e26c8a294abe426fd6fb84508db6074ef23379 Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at fscked.org>
 Date: Fri, 2 Sep 2011 15:33:20 -0700
-Subject: [PATCH 18/19] Add HTTP auth headers before the modify-request
+Subject: [PATCH 18/24] Add HTTP auth headers before the modify-request
  observer.
 
 Otherwise, how are we supposed to modify them?
diff --git a/src/current-patches/firefox/0019-Adapt-Steven-Michaud-s-Mac-crashfix-patch.patch b/src/current-patches/firefox/0019-Adapt-Steven-Michaud-s-Mac-crashfix-patch.patch
index 16ce98a..7f3869c 100644
--- a/src/current-patches/firefox/0019-Adapt-Steven-Michaud-s-Mac-crashfix-patch.patch
+++ b/src/current-patches/firefox/0019-Adapt-Steven-Michaud-s-Mac-crashfix-patch.patch
@@ -1,7 +1,7 @@
-From e263c559a4799a26a9ef5ca3490372fc93a62d3e Mon Sep 17 00:00:00 2001
+From 49cccdba3e6fc10e0e376d423b3ba1b6135f62e1 Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Thu, 7 Jun 2012 16:25:48 -0700
-Subject: [PATCH 19/19] Adapt Steven Michaud's Mac crashfix patch
+Subject: [PATCH 19/24] Adapt Steven Michaud's Mac crashfix patch
 
 Source is: https://bugzilla.mozilla.org/show_bug.cgi?id=715885#c35
 
diff --git a/src/current-patches/firefox/0020-Add-mozIThirdPartyUtil.getFirstPartyURI-API.patch b/src/current-patches/firefox/0020-Add-mozIThirdPartyUtil.getFirstPartyURI-API.patch
index 56d9848..700a795 100644
--- a/src/current-patches/firefox/0020-Add-mozIThirdPartyUtil.getFirstPartyURI-API.patch
+++ b/src/current-patches/firefox/0020-Add-mozIThirdPartyUtil.getFirstPartyURI-API.patch
@@ -1,7 +1,7 @@
-From 73e548ceee36b99f06e33010163ed8b8cc86b3dd Mon Sep 17 00:00:00 2001
+From 24f62d79a6179598ed633481e2bbeac1b2ccd9bc Mon Sep 17 00:00:00 2001
 From: Mike Perry <mikeperry-git at torproject.org>
 Date: Tue, 28 Aug 2012 18:35:33 -0700
-Subject: [PATCH 20/20] Add mozIThirdPartyUtil.getFirstPartyURI API
+Subject: [PATCH 20/24] Add mozIThirdPartyUtil.getFirstPartyURI API
 
 API allows you to get the url bar URI for a channel or nsIDocument.
 ---
diff --git a/src/current-patches/firefox/0021-Add-canvas-image-extraction-prompt.patch b/src/current-patches/firefox/0021-Add-canvas-image-extraction-prompt.patch
new file mode 100644
index 0000000..f303683
--- /dev/null
+++ b/src/current-patches/firefox/0021-Add-canvas-image-extraction-prompt.patch
@@ -0,0 +1,551 @@
+From 3e8d778866d96e1ca82f2b08e7b8d948c1c3853d Mon Sep 17 00:00:00 2001
+From: Kathleen Brade <brade at pearlcrescent.com>
+Date: Tue, 9 Oct 2012 11:21:06 -0400
+Subject: [PATCH 21/24] Add canvas image extraction prompt.
+
+---
+ browser/base/content/browser.css                   |    1 +
+ browser/base/content/browser.js                    |  102 ++++++++++++++++++++
+ browser/base/content/browser.xul                   |    1 +
+ .../en-US/chrome/browser/browser.properties        |    7 ++
+ browser/themes/gnomestripe/browser/browser.css     |    2 +
+ browser/themes/pinstripe/browser/browser.css       |    2 +
+ browser/themes/winstripe/browser/browser.css       |    2 +
+ content/canvas/src/CanvasUtils.cpp                 |   63 ++++++++++++
+ content/canvas/src/CanvasUtils.h                   |    2 +
+ content/canvas/src/nsCanvasRenderingContext2D.cpp  |   15 +++
+ .../canvas/src/nsCanvasRenderingContext2DAzure.cpp |   15 +++
+ content/html/content/public/nsHTMLCanvasElement.h  |    3 +
+ content/html/content/src/Makefile.in               |    1 +
+ content/html/content/src/nsHTMLCanvasElement.cpp   |   39 ++++++--
+ 14 files changed, 246 insertions(+), 9 deletions(-)
+
+diff --git a/browser/base/content/browser.css b/browser/base/content/browser.css
+index f033c2b..c709631 100644
+--- a/browser/base/content/browser.css
++++ b/browser/base/content/browser.css
+@@ -440,6 +440,7 @@ window[chromehidden~="toolbar"] toolbar:not(.toolbar-primary):not(.chromeclass-m
+    created with a null anchorID, so in that case use a default anchor icon. */
+ #notification-popup-box[anchorid="notification-popup-box"] > #default-notification-icon,
+ #notification-popup-box[anchorid="geo-notification-icon"] > #geo-notification-icon,
++#notification-popup-box[anchorid="canvas-notification-icon"] > #canvas-notification-icon,
+ #notification-popup-box[anchorid="indexedDB-notification-icon"] > #indexedDB-notification-icon,
+ #notification-popup-box[anchorid="addons-notification-icon"] > #addons-notification-icon,
+ #notification-popup-box[anchorid="password-notification-icon"] > #password-notification-icon {
+diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
+index 20e3666..0c6bd46 100644
+--- a/browser/base/content/browser.js
++++ b/browser/base/content/browser.js
+@@ -1522,6 +1522,7 @@ function delayedStartup(isLoadingBlank, mustLoadSidebar) {
+   BrowserOffline.init();
+   OfflineApps.init();
+   IndexedDBPromptHelper.init();
++  CanvasPermissionPromptHelper.init();
+   gFormSubmitObserver.init();
+   AddonManager.addAddonListener(AddonsMgrListener);
+ 
+@@ -1834,6 +1835,7 @@ function BrowserShutdown() {
+     BrowserOffline.uninit();
+     OfflineApps.uninit();
+     IndexedDBPromptHelper.uninit();
++    CanvasPermissionPromptHelper.uninit();
+     AddonManager.removeAddonListener(AddonsMgrListener);
+   }
+ 
+@@ -6656,6 +6658,106 @@ var IndexedDBPromptHelper = {
+   }
+ };
+ 
++var CanvasPermissionPromptHelper = {
++  _permissionsPrompt: "canvas-permissions-prompt",
++  _notificationIcon: "canvas-notification-icon",
++
++  init:
++  function CanvasPermissionPromptHelper_init() {
++    Services.obs.addObserver(this, this._permissionsPrompt, false);
++  },
++
++  uninit:
++  function CanvasPermissionPromptHelper_uninit() {
++    Services.obs.removeObserver(this, this._permissionsPrompt, false);
++  },
++
++  // aSubject is an nsIDOMWindow.
++  // aData is an URL string.
++  observe:
++  function CanvasPermissionPromptHelper_observe(aSubject, aTopic, aData) {
++    if ((aTopic != this._permissionsPrompt) || !aData)
++      throw new Error("Unexpected topic or missing URL");
++
++    var uri = makeURI(aData);
++    var contentWindow = aSubject.QueryInterface(Ci.nsIDOMWindow);
++    var contentDocument = contentWindow.document;
++    var browserWindow =
++      OfflineApps._getBrowserWindowForContentWindow(contentWindow);
++
++    if (browserWindow != window) {
++      // Must belong to some other window.
++      return;
++    }
++
++    // If canvas prompt is already displayed, just return.  This is OK (and
++    // more efficient) since this permission is associated with the top
++    // browser's URL.
++    if (PopupNotifications.getNotification(aTopic, browser))
++      return;
++
++    var bundleSvc = Cc["@mozilla.org/intl/stringbundle;1"].
++                        getService(Ci.nsIStringBundleService);
++    var torBtnBundle;
++    try {
++      torBtnBundle = bundleSvc.createBundle(
++                             "chrome://torbutton/locale/torbutton.properties");
++    } catch (e) {}
++
++    var message = getLocalizedString("canvas.siteprompt", [ uri.asciiHost ]);
++
++    var mainAction = {
++      label: getLocalizedString("canvas.allow"),
++      accessKey: getLocalizedString("canvas.allowAccessKey"),
++      callback: function() {
++          setCanvasPermission(uri, Ci.nsIPermissionManager.ALLOW_ACTION);
++      }
++    };
++
++    var secondaryActions = [
++      {
++        label: getLocalizedString("canvas.never"),
++        accessKey: getLocalizedString("canvas.neverAccessKey"),
++        callback: function() {
++          setCanvasPermission(uri, Ci.nsIPermissionManager.DENY_ACTION);
++        }
++      }
++    ];
++
++    // Since we have a process in place to perform localization for the
++    // Torbutton extension, get our strings from the extension if possible.
++    function getLocalizedString(aID, aParams) {
++      var s;
++      if (torBtnBundle) try {
++        if (aParams)
++          s = torBtnBundle.formatStringFromName(aID, aParams, aParams.length);
++        else
++          s = torBtnBundle.GetStringFromName(aID);
++      } catch (e) {}
++
++      if (!s) {
++        if (aParams)
++          s = gNavigatorBundle.getFormattedString(aID, aParams);
++        else
++          s = gNavigatorBundle.getString(aID);
++      }
++
++      return s;
++    }
++
++    function setCanvasPermission(aURI, aPerm) {
++      Services.perms.add(aURI, "canvas/extractData", aPerm,
++                         Ci.nsIPermissionManager.EXPIRE_NEVER);
++    }
++
++    var browser = OfflineApps._getBrowserForContentWindow(browserWindow,
++                                                          contentWindow);
++    notification = PopupNotifications.show(browser, aTopic, message,
++                                           this._notificationIcon, mainAction,
++                                           secondaryActions, null);
++  }
++};
++
+ function WindowIsClosing()
+ {
+   if (TabView.isVisible()) {
+diff --git a/browser/base/content/browser.xul b/browser/base/content/browser.xul
+index ba2a7cb..1acea43 100644
+--- a/browser/base/content/browser.xul
++++ b/browser/base/content/browser.xul
+@@ -520,6 +520,7 @@
+             <image id="default-notification-icon" class="notification-anchor-icon" role="button"/>
+             <image id="geo-notification-icon" class="notification-anchor-icon" role="button"/>
+             <image id="addons-notification-icon" class="notification-anchor-icon" role="button"/>
++            <image id="canvas-notification-icon" class="notification-anchor-icon" role="button"/>
+             <image id="indexedDB-notification-icon" class="notification-anchor-icon" role="button"/>
+             <image id="password-notification-icon" class="notification-anchor-icon" role="button"/>
+           </box>
+diff --git a/browser/locales/en-US/chrome/browser/browser.properties b/browser/locales/en-US/chrome/browser/browser.properties
+index 380e3c3..98154d1 100644
+--- a/browser/locales/en-US/chrome/browser/browser.properties
++++ b/browser/locales/en-US/chrome/browser/browser.properties
+@@ -197,6 +197,13 @@ offlineApps.usage=This website (%S) is now storing more than %SMB of data on you
+ offlineApps.manageUsage=Show settings
+ offlineApps.manageUsageAccessKey=S
+ 
++# Canvas permission prompt
++canvas.siteprompt=This website (%S) attempted to access image data on a canvas.  Blank (white) image data was returned this time.
++canvas.allow=Allow in the Future
++canvas.allowAccessKey=A
++canvas.never=Never for This Site
++canvas.neverAccessKey=e
++
+ # LOCALIZATION NOTE (indexedDB.usage): %1$S is the website host name
+ # %2$S a number of megabytes.
+ indexedDB.usage=This website (%1$S) is attempting to store more than %2$S MB of data on your computer for offline use.
+diff --git a/browser/themes/gnomestripe/browser/browser.css b/browser/themes/gnomestripe/browser/browser.css
+index edc0b72..8ba057e 100644
+--- a/browser/themes/gnomestripe/browser/browser.css
++++ b/browser/themes/gnomestripe/browser/browser.css
+@@ -1227,6 +1227,7 @@ toolbar[iconsize="small"] #feed-button {
+   list-style-image: url("moz-icon://stock/gtk-cancel?size=menu");
+ }
+ 
++.popup-notification-icon[popupid="canvas-permissions-prompt"],
+ .popup-notification-icon[popupid="indexedDB-permissions-prompt"],
+ .popup-notification-icon[popupid="indexedDB-quota-prompt"] {
+   list-style-image: url(chrome://global/skin/icons/question-64.png);
+@@ -1281,6 +1282,7 @@ toolbar[iconsize="small"] #feed-button {
+   list-style-image: url(chrome://mozapps/skin/extensions/extensionGeneric-16.png);
+ }
+ 
++#canvas-notification-icon,
+ #indexedDB-notification-icon {
+   list-style-image: url(chrome://global/skin/icons/question-16.png);
+ }
+diff --git a/browser/themes/pinstripe/browser/browser.css b/browser/themes/pinstripe/browser/browser.css
+index 2a96556..f94a6f2 100644
+--- a/browser/themes/pinstripe/browser/browser.css
++++ b/browser/themes/pinstripe/browser/browser.css
+@@ -2404,10 +2404,12 @@ toolbarbutton.chevron > .toolbarbutton-menu-dropmarker {
+   -moz-image-region: rect(0px, 48px, 16px, 32px);
+ }
+ 
++#canvas-notification-icon,
+ #indexedDB-notification-icon {
+   list-style-image: url(chrome://global/skin/icons/question-16.png);
+ }
+ 
++.popup-notification-icon[popupid="canvas-permissions-prompt"],
+ .popup-notification-icon[popupid="indexedDB-permissions-prompt"],
+ .popup-notification-icon[popupid="indexedDB-quota-prompt"] {
+   list-style-image: url(chrome://global/skin/icons/question-64.png);
+diff --git a/browser/themes/winstripe/browser/browser.css b/browser/themes/winstripe/browser/browser.css
+index 0103c79..d352790 100644
+--- a/browser/themes/winstripe/browser/browser.css
++++ b/browser/themes/winstripe/browser/browser.css
+@@ -2294,6 +2294,7 @@ toolbarbutton.bookmark-item[dragover="true"][open="true"] {
+   -moz-image-region: rect(32px, 32px, 48px, 16px);
+ }
+ 
++.popup-notification-icon[popupid="canvas-permissions-prompt"],
+ .popup-notification-icon[popupid="indexedDB-permissions-prompt"],
+ .popup-notification-icon[popupid="indexedDB-quota-prompt"] {
+   list-style-image: url(chrome://global/skin/icons/question-64.png);
+@@ -2346,6 +2347,7 @@ toolbarbutton.bookmark-item[dragover="true"][open="true"] {
+   list-style-image: url(chrome://mozapps/skin/extensions/extensionGeneric-16.png);
+ }
+ 
++#canvas-notification-icon,
+ #indexedDB-notification-icon {
+   list-style-image: url(chrome://global/skin/icons/question-16.png);
+ }
+diff --git a/content/canvas/src/CanvasUtils.cpp b/content/canvas/src/CanvasUtils.cpp
+index 2f822eb..d7d0591 100644
+--- a/content/canvas/src/CanvasUtils.cpp
++++ b/content/canvas/src/CanvasUtils.cpp
+@@ -59,6 +59,15 @@
+ #include "CanvasUtils.h"
+ #include "mozilla/gfx/Matrix.h"
+ 
++#include "nsIScriptObjectPrincipal.h"
++#include "nsIPermissionManager.h"
++#include "mozIThirdPartyUtil.h"
++#include "nsContentUtils.h"
++#include "nsUnicharUtils.h"
++
++#define TOPIC_CANVAS_PERMISSIONS_PROMPT "canvas-permissions-prompt"
++#define PERMISSION_CANVAS_EXTRACT_DATA "canvas/extractData"
++
+ namespace mozilla {
+ namespace CanvasUtils {
+ 
+@@ -101,6 +110,60 @@ DoDrawImageSecurityCheck(nsHTMLCanvasElement *aCanvasElement,
+     aCanvasElement->SetWriteOnly();
+ }
+ 
++// Check site-specific permission and display prompt if appropriate.
++bool
++IsImageExtractionAllowed(nsIDocument *aDocument)
++{
++  if (!aDocument)
++    return false;
++
++  nsPIDOMWindow *win = aDocument->GetWindow();
++  nsCOMPtr<nsIScriptObjectPrincipal> sop(do_QueryInterface(win));
++  if (sop && nsContentUtils::IsSystemPrincipal(sop->GetPrincipal()))
++    return true;
++
++  bool isAllowed = false;
++  nsCOMPtr<mozIThirdPartyUtil> thirdPartyUtil =
++                                do_GetService(THIRDPARTYUTIL_CONTRACTID);
++  nsCOMPtr<nsIPermissionManager> permissionManager =
++                          do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
++  if (thirdPartyUtil && permissionManager) {
++    nsCOMPtr<nsIURI> uri;
++    nsresult rv = thirdPartyUtil->GetFirstPartyURI(NULL, aDocument,
++                                                   getter_AddRefs(uri));
++    uint32_t permission = nsIPermissionManager::UNKNOWN_ACTION;
++    if (NS_SUCCEEDED(rv)) {
++      // Allow local files to access canvas data; check content permissions
++      // for remote pages.
++      bool isFileURL = false;
++      (void)uri->SchemeIs("file", &isFileURL);
++      if (isFileURL)
++        permission = nsIPermissionManager::ALLOW_ACTION;
++      else {
++        rv = permissionManager->TestPermission(uri,
++                                PERMISSION_CANVAS_EXTRACT_DATA, &permission);
++      }
++    }
++
++    if (NS_SUCCEEDED(rv)) {
++      isAllowed = (permission == nsIPermissionManager::ALLOW_ACTION);
++
++      if (!isAllowed && (permission != nsIPermissionManager::DENY_ACTION)) {
++        // Send notification so that a prompt is displayed.
++        nsCString spec;
++        rv = uri->GetSpec(spec);
++        NS_ENSURE_SUCCESS(rv, rv);
++        nsCOMPtr<nsIObserverService> obs =
++                                    mozilla::services::GetObserverService();
++        obs->NotifyObservers(win, TOPIC_CANVAS_PERMISSIONS_PROMPT,
++                             NS_ConvertUTF8toUTF16(spec).get());
++      }
++    }
++  }
++
++  return isAllowed;
++}
++
+ void
+ LogMessage (const nsCString& errorString)
+ {
+diff --git a/content/canvas/src/CanvasUtils.h b/content/canvas/src/CanvasUtils.h
+index 36186dd..067ee46 100644
+--- a/content/canvas/src/CanvasUtils.h
++++ b/content/canvas/src/CanvasUtils.h
+@@ -77,6 +77,8 @@ void DoDrawImageSecurityCheck(nsHTMLCanvasElement *aCanvasElement,
+                               bool forceWriteOnly,
+                               bool CORSUsed);
+ 
++bool IsImageExtractionAllowed(nsIDocument *aDocument);
++
+ void LogMessage (const nsCString& errorString);
+ void LogMessagef (const char *fmt, ...);
+ 
+diff --git a/content/canvas/src/nsCanvasRenderingContext2D.cpp b/content/canvas/src/nsCanvasRenderingContext2D.cpp
+index 36389b0..0cf97ce 100644
+--- a/content/canvas/src/nsCanvasRenderingContext2D.cpp
++++ b/content/canvas/src/nsCanvasRenderingContext2D.cpp
+@@ -3886,6 +3886,21 @@ nsCanvasRenderingContext2D::GetImageData_explicit(PRInt32 x, PRInt32 y, PRUint32
+     if (!rightMost.valid() || !bottomMost.valid())
+         return NS_ERROR_DOM_SYNTAX_ERR;
+ 
++    // Check for site-specific permission and return all-white, opaque pixel
++    // data if no permission.  This check is not needed if the canvas was
++    // created with a docshell (that is only done for special internal uses).
++    bool usePlaceholder = false;
++    if (mCanvasElement) {
++      nsCOMPtr<nsIDocument> ownerDoc = HTMLCanvasElement()->OwnerDoc();
++      usePlaceholder = !ownerDoc ||
++                          !CanvasUtils::IsImageExtractionAllowed(ownerDoc);
++    }
++
++    if (usePlaceholder) {
++      memset(aData, 0xFF, aDataLen);
++      return NS_OK;
++    }
++
+     /* Copy the surface contents to the buffer */
+     nsRefPtr<gfxImageSurface> tmpsurf =
+         new gfxImageSurface(aData,
+diff --git a/content/canvas/src/nsCanvasRenderingContext2DAzure.cpp b/content/canvas/src/nsCanvasRenderingContext2DAzure.cpp
+index 13baaa5..e8dfb1e 100644
+--- a/content/canvas/src/nsCanvasRenderingContext2DAzure.cpp
++++ b/content/canvas/src/nsCanvasRenderingContext2DAzure.cpp
+@@ -4038,6 +4038,21 @@ nsCanvasRenderingContext2DAzure::GetImageData_explicit(PRInt32 x, PRInt32 y, PRU
+     return NS_OK;
+   }
+ 
++  // Check for site-specific permission and return all-white, opaque pixel
++  // data if no permission.  This check is not needed if the canvas was
++  // created with a docshell (that is only done for special internal uses).
++  bool usePlaceholder = false;
++  if (mCanvasElement) {
++    nsCOMPtr<nsIDocument> ownerDoc = HTMLCanvasElement()->OwnerDoc();
++    usePlaceholder = !ownerDoc ||
++                        !CanvasUtils::IsImageExtractionAllowed(ownerDoc);
++  }
++
++  if (usePlaceholder) {
++    memset(aData, 0xFF, aDataLen);
++    return NS_OK;
++  }
++
+   IntRect srcRect(0, 0, mWidth, mHeight);
+   IntRect destRect(x, y, w, h);
+ 
+diff --git a/content/html/content/public/nsHTMLCanvasElement.h b/content/html/content/public/nsHTMLCanvasElement.h
+index 86202a8..66176f2 100644
+--- a/content/html/content/public/nsHTMLCanvasElement.h
++++ b/content/html/content/public/nsHTMLCanvasElement.h
+@@ -188,13 +188,16 @@ protected:
+   nsresult UpdateContext(nsIPropertyBag *aNewContextOptions = nsnull);
+   nsresult ExtractData(const nsAString& aType,
+                        const nsAString& aOptions,
++                       bool aUsePlaceholder,
+                        nsIInputStream** aStream,
+                        bool& aFellBackToPNG);
+   nsresult ToDataURLImpl(const nsAString& aMimeType,
+                          nsIVariant* aEncoderOptions,
++                         bool aUsePlaceholder,
+                          nsAString& aDataURL);
+   nsresult MozGetAsFileImpl(const nsAString& aName,
+                             const nsAString& aType,
++                            bool aUsePlaceholder,
+                             nsIDOMFile** aResult);
+   nsresult GetContextHelper(const nsAString& aContextId,
+                             bool aForceThebes,
+diff --git a/content/html/content/src/Makefile.in b/content/html/content/src/Makefile.in
+index 019d297..3db4f7c 100644
+--- a/content/html/content/src/Makefile.in
++++ b/content/html/content/src/Makefile.in
+@@ -138,6 +138,7 @@ INCLUDES	+= \
+ 		-I$(srcdir)/../../../events/src \
+ 		-I$(srcdir)/../../../xbl/src \
+ 		-I$(srcdir)/../../../xul/content/src \
++		-I$(srcdir)/../../../canvas/src/ \
+ 		-I$(srcdir)/../../../../layout/forms \
+ 		-I$(srcdir)/../../../../layout/style \
+ 		-I$(srcdir)/../../../../layout/tables \
+diff --git a/content/html/content/src/nsHTMLCanvasElement.cpp b/content/html/content/src/nsHTMLCanvasElement.cpp
+index a302f67..572a81b 100644
+--- a/content/html/content/src/nsHTMLCanvasElement.cpp
++++ b/content/html/content/src/nsHTMLCanvasElement.cpp
+@@ -60,6 +60,8 @@
+ 
+ #include "nsIWritablePropertyBag2.h"
+ 
++#include "CanvasUtils.h"
++
+ #define DEFAULT_CANVAS_WIDTH 300
+ #define DEFAULT_CANVAS_HEIGHT 150
+ 
+@@ -213,25 +215,36 @@ nsHTMLCanvasElement::ToDataURL(const nsAString& aType, nsIVariant* aParams,
+     return NS_ERROR_DOM_SECURITY_ERR;
+   }
+ 
+-  return ToDataURLImpl(aType, aParams, aDataURL);
++  // Check site-specific permission and display prompt if appropriate.
++  // If no permission, return all-white, opaque image data.
++  bool usePlaceholder = !CanvasUtils::IsImageExtractionAllowed(OwnerDoc());
++  return ToDataURLImpl(aType, aParams, usePlaceholder, aDataURL);
+ }
+ 
++// TODO: on FF trunk, we also need to patch mozFetchAsStream().
+ nsresult
+ nsHTMLCanvasElement::ExtractData(const nsAString& aType,
+                                  const nsAString& aOptions,
++                                 bool aUsePlaceholder,
+                                  nsIInputStream** aStream,
+                                  bool& aFellBackToPNG)
+ {
+   // note that if we don't have a current context, the spec says we're
+   // supposed to just return transparent black pixels of the canvas
+   // dimensions.
++  // If placeholder data was requested, return all-white, opaque image data.
+   nsRefPtr<gfxImageSurface> emptyCanvas;
+   nsIntSize size = GetWidthHeight();
+-  if (!mCurrentContext) {
++  if (aUsePlaceholder || !mCurrentContext) {
+     emptyCanvas = new gfxImageSurface(gfxIntSize(size.width, size.height), gfxASurface::ImageFormatARGB32);
+     if (emptyCanvas->CairoStatus()) {
+       return NS_ERROR_INVALID_ARG;
+     }
++
++    if (aUsePlaceholder) {
++      int32_t dataSize = emptyCanvas->GetDataSize();
++      memset(emptyCanvas->Data(), 0xFF, dataSize);
++    }
+   }
+ 
+   nsresult rv;
+@@ -241,12 +254,13 @@ nsHTMLCanvasElement::ExtractData(const nsAString& aType,
+   NS_ConvertUTF16toUTF8 encoderType(aType);
+ 
+  try_again:
+-  if (mCurrentContext) {
++  if (!aUsePlaceholder && mCurrentContext) {
+     rv = mCurrentContext->GetInputStream(encoderType.get(),
+                                          nsPromiseFlatString(aOptions).get(),
+                                          getter_AddRefs(imgStream));
+   } else {
+-    // no context, so we have to encode the empty image we created above
++    // Using placeholder or we have no context:  encode the empty/white image
++    // we created above.
+     nsCString enccid("@mozilla.org/image/encoder;2?type=");
+     enccid += encoderType;
+ 
+@@ -284,6 +298,7 @@ nsHTMLCanvasElement::ExtractData(const nsAString& aType,
+ nsresult
+ nsHTMLCanvasElement::ToDataURLImpl(const nsAString& aMimeType,
+                                    nsIVariant* aEncoderOptions,
++                                   bool aUsePlaceholder,
+                                    nsAString& aDataURL)
+ {
+   bool fallbackToPNG = false;
+@@ -339,13 +354,15 @@ nsHTMLCanvasElement::ToDataURLImpl(const nsAString& aMimeType,
+   }
+ 
+   nsCOMPtr<nsIInputStream> stream;
+-  rv = ExtractData(type, params, getter_AddRefs(stream), fallbackToPNG);
++  rv = ExtractData(type, params, aUsePlaceholder,
++                   getter_AddRefs(stream), fallbackToPNG);
+ 
+   // If there are unrecognized custom parse options, we should fall back to 
+   // the default values for the encoder without any options at all.
+   if (rv == NS_ERROR_INVALID_ARG && usingCustomParseOptions) {
+     fallbackToPNG = false;
+-    rv = ExtractData(type, EmptyString(), getter_AddRefs(stream), fallbackToPNG);
++    rv = ExtractData(type, EmptyString(), aUsePlaceholder,
++                     getter_AddRefs(stream), fallbackToPNG);
+   }
+ 
+   NS_ENSURE_SUCCESS(rv, rv);
+@@ -376,19 +393,23 @@ nsHTMLCanvasElement::MozGetAsFile(const nsAString& aName,
+     return NS_ERROR_DOM_SECURITY_ERR;
+   }
+ 
+-  return MozGetAsFileImpl(aName, aType, aResult);
++  // Check site-speciifc permission and display prompt if appropriate.
++  // If no permission, return all-white, opaque image data.
++  bool usePlaceholder = !CanvasUtils::IsImageExtractionAllowed(OwnerDoc());
++  return MozGetAsFileImpl(aName, aType, usePlaceholder, aResult);
+ }
+ 
+ nsresult
+ nsHTMLCanvasElement::MozGetAsFileImpl(const nsAString& aName,
+                                       const nsAString& aType,
++                                      bool aUsePlaceholder,
+                                       nsIDOMFile** aResult)
+ {
+   bool fallbackToPNG = false;
+ 
+   nsCOMPtr<nsIInputStream> stream;
+-  nsresult rv = ExtractData(aType, EmptyString(), getter_AddRefs(stream),
+-                            fallbackToPNG);
++  nsresult rv = ExtractData(aType, EmptyString(), aUsePlaceholder,
++                            getter_AddRefs(stream), fallbackToPNG);
+   NS_ENSURE_SUCCESS(rv, rv);
+ 
+   nsAutoString type(aType);
+-- 
+1.7.5.4
+
diff --git a/src/current-patches/firefox/0022-Return-client-window-coordinates-for-mouse-event-scr.patch b/src/current-patches/firefox/0022-Return-client-window-coordinates-for-mouse-event-scr.patch
new file mode 100644
index 0000000..2532e5f
--- /dev/null
+++ b/src/current-patches/firefox/0022-Return-client-window-coordinates-for-mouse-event-scr.patch
@@ -0,0 +1,43 @@
+From eb9cc23d7b04d9c441f69e98834561622533f6ba Mon Sep 17 00:00:00 2001
+From: Kathleen Brade <brade at pearlcrescent.com>
+Date: Tue, 9 Oct 2012 11:13:45 -0400
+Subject: [PATCH 22/24] Return client window coordinates for mouse event
+ screenX/Y (for dragend, 0,0 is returned).
+
+---
+ content/events/src/nsDOMUIEvent.cpp |   15 +++++++++++++++
+ 1 files changed, 15 insertions(+), 0 deletions(-)
+
+diff --git a/content/events/src/nsDOMUIEvent.cpp b/content/events/src/nsDOMUIEvent.cpp
+index fe57f52..d641f0d 100644
+--- a/content/events/src/nsDOMUIEvent.cpp
++++ b/content/events/src/nsDOMUIEvent.cpp
+@@ -135,10 +135,25 @@ nsDOMUIEvent::GetScreenPoint()
+     return nsIntPoint(0, 0);
+   }
+ 
++  bool isChrome = nsContentUtils::IsCallerChrome();
++
+   if (!((nsGUIEvent*)mEvent)->widget ) {
++    // For non-chrome callers, return 0,0 if there is no widget associated
++    // with this event, e.g., for dragend events.  Since dragend is for the
++    // drag originator and not for the receiver, it is probably not widely
++    // used (receivers get a drop event).  Therefore, returning 0,0 should
++    // not break many web pages.  Also, a few years ago Firefox returned 0,0.
++    // See:  https://bugzilla.mozilla.org/show_bug.cgi?id=466379
++    if (!isChrome)
++      return nsIntPoint(0, 0);
++
+     return mEvent->refPoint;
+   }
+ 
++  // For non-chrome callers, return client area coordinates instead.
++  if (!isChrome)
++    return GetClientPoint();
++
+   nsIntPoint offset = mEvent->refPoint + 
+     ((nsGUIEvent*)mEvent)->widget->WidgetToScreenOffset();
+   nscoord factor = mPresContext->DeviceContext()->UnscaledAppUnitsPerDevPixel();
+-- 
+1.7.5.4
+
diff --git a/src/current-patches/firefox/0023-Do-not-expose-physical-screen-info.-via-window-and-w.patch b/src/current-patches/firefox/0023-Do-not-expose-physical-screen-info.-via-window-and-w.patch
new file mode 100644
index 0000000..1907906
--- /dev/null
+++ b/src/current-patches/firefox/0023-Do-not-expose-physical-screen-info.-via-window-and-w.patch
@@ -0,0 +1,312 @@
+From f842f612d98477ad36014338a72f812cf4183e2f Mon Sep 17 00:00:00 2001
+From: Kathleen Brade <brade at pearlcrescent.com>
+Date: Wed, 3 Oct 2012 17:06:48 -0400
+Subject: [PATCH 23/24] Do not expose physical screen info. via window and
+ window.screen.
+
+---
+ dom/base/nsGlobalWindow.cpp |   46 +++++++++++++++++++++
+ dom/base/nsGlobalWindow.h   |    2 +
+ dom/base/nsScreen.cpp       |   92 +++++++++++++++++++++++++++++++++++++++++++
+ dom/base/nsScreen.h         |    3 +
+ 4 files changed, 143 insertions(+), 0 deletions(-)
+
+diff --git a/dom/base/nsGlobalWindow.cpp b/dom/base/nsGlobalWindow.cpp
+index 2c99571..982d931 100644
+--- a/dom/base/nsGlobalWindow.cpp
++++ b/dom/base/nsGlobalWindow.cpp
+@@ -3817,6 +3817,10 @@ nsGlobalWindow::GetOuterWidth(PRInt32* aOuterWidth)
+ {
+   FORWARD_TO_OUTER(GetOuterWidth, (aOuterWidth), NS_ERROR_NOT_INITIALIZED);
+ 
++  // For non-chrome callers, return inner width to prevent fingerprinting.
++  if (!IsChrome())
++    return GetInnerWidth(aOuterWidth);
++
+   nsIntSize sizeCSSPixels;
+   nsresult rv = GetOuterSize(&sizeCSSPixels);
+   NS_ENSURE_SUCCESS(rv, rv);
+@@ -3830,6 +3834,10 @@ nsGlobalWindow::GetOuterHeight(PRInt32* aOuterHeight)
+ {
+   FORWARD_TO_OUTER(GetOuterHeight, (aOuterHeight), NS_ERROR_NOT_INITIALIZED);
+ 
++  // For non-chrome callers, return inner height to prevent fingerprinting.
++  if (!IsChrome())
++    return GetInnerHeight(aOuterHeight);
++
+   nsIntSize sizeCSSPixels;
+   nsresult rv = GetOuterSize(&sizeCSSPixels);
+   NS_ENSURE_SUCCESS(rv, rv);
+@@ -3892,6 +3900,12 @@ nsGlobalWindow::GetScreenX(PRInt32* aScreenX)
+ {
+   FORWARD_TO_OUTER(GetScreenX, (aScreenX), NS_ERROR_NOT_INITIALIZED);
+ 
++  // For non-chrome callers, always return 0 to prevent fingerprinting.
++  if (!IsChrome()) {
++    *aScreenX = 0;
++    return NS_OK;
++  }
++
+   nsCOMPtr<nsIBaseWindow> treeOwnerAsWin;
+   GetTreeOwner(getter_AddRefs(treeOwnerAsWin));
+   NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE);
+@@ -3933,6 +3947,12 @@ nsGlobalWindow::GetMozInnerScreenX(float* aScreenX)
+ {
+   FORWARD_TO_OUTER(GetMozInnerScreenX, (aScreenX), NS_ERROR_NOT_INITIALIZED);
+ 
++  // For non-chrome callers, always return 0 to prevent fingerprinting.
++  if (!IsChrome()) {
++    *aScreenX = 0;
++    return NS_OK;
++  }
++
+   nsRect r = GetInnerScreenRect();
+   *aScreenX = nsPresContext::AppUnitsToFloatCSSPixels(r.x);
+   return NS_OK;
+@@ -3943,6 +3963,12 @@ nsGlobalWindow::GetMozInnerScreenY(float* aScreenY)
+ {
+   FORWARD_TO_OUTER(GetMozInnerScreenY, (aScreenY), NS_ERROR_NOT_INITIALIZED);
+ 
++  // For non-chrome callers, always return 0 to prevent fingerprinting.
++  if (!IsChrome()) {
++    *aScreenY = 0;
++    return NS_OK;
++  }
++
+   nsRect r = GetInnerScreenRect();
+   *aScreenY = nsPresContext::AppUnitsToFloatCSSPixels(r.y);
+   return NS_OK;
+@@ -4064,6 +4090,12 @@ nsGlobalWindow::GetScreenY(PRInt32* aScreenY)
+ {
+   FORWARD_TO_OUTER(GetScreenY, (aScreenY), NS_ERROR_NOT_INITIALIZED);
+ 
++  // For non-chrome callers, always return 0 to prevent fingerprinting.
++  if (!IsChrome()) {
++    *aScreenY = 0;
++    return NS_OK;
++  }
++
+   nsCOMPtr<nsIBaseWindow> treeOwnerAsWin;
+   GetTreeOwner(getter_AddRefs(treeOwnerAsWin));
+   NS_ENSURE_TRUE(treeOwnerAsWin, NS_ERROR_FAILURE);
+@@ -4110,6 +4142,20 @@ nsGlobalWindow::SetScreenY(PRInt32 aScreenY)
+   return NS_OK;
+ }
+ 
++bool
++nsGlobalWindow::IsChrome()
++{
++  bool isChrome = false;
++
++  if (mDocShell) {
++    nsRefPtr<nsPresContext> presContext;
++    mDocShell->GetPresContext(getter_AddRefs(presContext));
++    isChrome = (presContext && presContext->IsChrome());
++  }
++
++  return isChrome;
++}
++
+ // NOTE: Arguments to this function should have values scaled to
+ // CSS pixels, not device pixels.
+ nsresult
+diff --git a/dom/base/nsGlobalWindow.h b/dom/base/nsGlobalWindow.h
+index 2ffe4a7..863329c 100644
+--- a/dom/base/nsGlobalWindow.h
++++ b/dom/base/nsGlobalWindow.h
+@@ -744,6 +744,8 @@ protected:
+   nsresult SetOuterSize(PRInt32 aLengthCSSPixels, bool aIsWidth);
+   nsRect GetInnerScreenRect();
+ 
++  bool IsChrome();
++
+   bool IsFrame()
+   {
+     return GetParentInternal() != nsnull;
+diff --git a/dom/base/nsScreen.cpp b/dom/base/nsScreen.cpp
+index 33a03dc..29a3598 100644
+--- a/dom/base/nsScreen.cpp
++++ b/dom/base/nsScreen.cpp
+@@ -82,6 +82,12 @@ nsScreen::SetDocShell(nsIDocShell* aDocShell)
+ NS_IMETHODIMP
+ nsScreen::GetTop(PRInt32* aTop)
+ {
++  // For non-chrome callers, always return 0 to prevent fingerprinting.
++  if (!IsChrome()) {
++    *aTop = 0;
++    return NS_OK;
++  }
++
+   nsRect rect;
+   nsresult rv = GetRect(rect);
+ 
+@@ -94,6 +100,12 @@ nsScreen::GetTop(PRInt32* aTop)
+ NS_IMETHODIMP
+ nsScreen::GetLeft(PRInt32* aLeft)
+ {
++  // For non-chrome callers, always return 0 to prevent fingerprinting.
++  if (!IsChrome()) {
++    *aLeft = 0;
++    return NS_OK;
++  }
++
+   nsRect rect;
+   nsresult rv = GetRect(rect);
+ 
+@@ -106,6 +118,14 @@ nsScreen::GetLeft(PRInt32* aLeft)
+ NS_IMETHODIMP
+ nsScreen::GetWidth(PRInt32* aWidth)
+ {
++  // For non-chrome callers, return content width to prevent fingerprinting.
++  if (!IsChrome()) {
++    nsCOMPtr<nsIDOMWindow> win;
++    nsresult rv = GetDOMWindow(getter_AddRefs(win));
++    NS_ENSURE_SUCCESS(rv, rv);
++    return win->GetInnerWidth(aWidth);
++  }
++
+   nsRect rect;
+   nsresult rv = GetRect(rect);
+ 
+@@ -117,6 +137,14 @@ nsScreen::GetWidth(PRInt32* aWidth)
+ NS_IMETHODIMP
+ nsScreen::GetHeight(PRInt32* aHeight)
+ {
++  // For non-chrome callers, return content height to prevent fingerprinting.
++  if (!IsChrome()) {
++    nsCOMPtr<nsIDOMWindow> win;
++    nsresult rv = GetDOMWindow(getter_AddRefs(win));
++    NS_ENSURE_SUCCESS(rv, rv);
++    return win->GetInnerHeight(aHeight);
++  }
++
+   nsRect rect;
+   nsresult rv = GetRect(rect);
+ 
+@@ -128,6 +156,12 @@ nsScreen::GetHeight(PRInt32* aHeight)
+ NS_IMETHODIMP
+ nsScreen::GetPixelDepth(PRInt32* aPixelDepth)
+ {
++  // For non-chrome callers, always return 24 to prevent fingerprinting.
++  if (!IsChrome()) {
++    *aPixelDepth = 24;
++    return NS_OK;
++  }
++
+   nsDeviceContext* context = GetDeviceContext();
+ 
+   if (!context) {
+@@ -153,6 +187,14 @@ nsScreen::GetColorDepth(PRInt32* aColorDepth)
+ NS_IMETHODIMP
+ nsScreen::GetAvailWidth(PRInt32* aAvailWidth)
+ {
++  // For non-chrome callers, return content width to prevent fingerprinting.
++  if (!IsChrome()) {
++    nsCOMPtr<nsIDOMWindow> win;
++    nsresult rv = GetDOMWindow(getter_AddRefs(win));
++    NS_ENSURE_SUCCESS(rv, rv);
++    return win->GetInnerWidth(aAvailWidth);
++  }
++
+   nsRect rect;
+   nsresult rv = GetAvailRect(rect);
+ 
+@@ -164,6 +206,14 @@ nsScreen::GetAvailWidth(PRInt32* aAvailWidth)
+ NS_IMETHODIMP
+ nsScreen::GetAvailHeight(PRInt32* aAvailHeight)
+ {
++  // For non-chrome callers, return content height to prevent fingerprinting.
++  if (!IsChrome()) {
++    nsCOMPtr<nsIDOMWindow> win;
++    nsresult rv = GetDOMWindow(getter_AddRefs(win));
++    NS_ENSURE_SUCCESS(rv, rv);
++    return win->GetInnerHeight(aAvailHeight);
++  }
++
+   nsRect rect;
+   nsresult rv = GetAvailRect(rect);
+ 
+@@ -175,6 +225,12 @@ nsScreen::GetAvailHeight(PRInt32* aAvailHeight)
+ NS_IMETHODIMP
+ nsScreen::GetAvailLeft(PRInt32* aAvailLeft)
+ {
++  // For non-chrome callers, always return 0 to prevent fingerprinting.
++  if (!IsChrome()) {
++    *aAvailLeft = 0;
++    return NS_OK;
++  }
++
+   nsRect rect;
+   nsresult rv = GetAvailRect(rect);
+ 
+@@ -186,6 +242,12 @@ nsScreen::GetAvailLeft(PRInt32* aAvailLeft)
+ NS_IMETHODIMP
+ nsScreen::GetAvailTop(PRInt32* aAvailTop)
+ {
++  // For non-chrome callers, always return 0 to prevent fingerprinting.
++  if (!IsChrome()) {
++    *aAvailTop = 0;
++    return NS_OK;
++  }
++
+   nsRect rect;
+   nsresult rv = GetAvailRect(rect);
+ 
+@@ -237,3 +299,33 @@ nsScreen::GetAvailRect(nsRect& aRect)
+ 
+   return NS_OK;
+ }
++
++bool
++nsScreen::IsChrome()
++{
++  bool isChrome = false;
++  if (mDocShell) {
++    nsRefPtr<nsPresContext> presContext;
++    mDocShell->GetPresContext(getter_AddRefs(presContext));
++    if (presContext)
++      isChrome = presContext->IsChrome();
++  }
++
++  return isChrome;
++}
++
++nsresult
++nsScreen::GetDOMWindow(nsIDOMWindow **aResult)
++{
++  NS_ENSURE_ARG_POINTER(aResult);
++  *aResult = NULL;
++
++  if (!mDocShell)
++    return NS_ERROR_FAILURE;
++
++  nsCOMPtr<nsIDOMWindow> win = do_GetInterface(mDocShell);
++  NS_ENSURE_STATE(win);
++  win.swap(*aResult);
++
++  return NS_OK;
++}
+diff --git a/dom/base/nsScreen.h b/dom/base/nsScreen.h
+index 52eab29..d4edaa3 100644
+--- a/dom/base/nsScreen.h
++++ b/dom/base/nsScreen.h
+@@ -44,6 +44,7 @@
+ 
+ class nsIDocShell;
+ class nsDeviceContext;
++class nsIDOMWindow;
+ struct nsRect;
+ 
+ // Script "screen" object
+@@ -62,6 +63,8 @@ protected:
+   nsDeviceContext* GetDeviceContext();
+   nsresult GetRect(nsRect& aRect);
+   nsresult GetAvailRect(nsRect& aRect);
++  bool IsChrome();
++  nsresult GetDOMWindow(nsIDOMWindow **aResult);
+ 
+   nsIDocShell* mDocShell; // Weak Reference
+ };
+-- 
+1.7.5.4
+
diff --git a/src/current-patches/firefox/0024-Do-not-expose-system-colors-to-CSS-or-canvas.patch b/src/current-patches/firefox/0024-Do-not-expose-system-colors-to-CSS-or-canvas.patch
new file mode 100644
index 0000000..5b808ad
--- /dev/null
+++ b/src/current-patches/firefox/0024-Do-not-expose-system-colors-to-CSS-or-canvas.patch
@@ -0,0 +1,537 @@
+From a3a36dbaebcacdcf6b4343a587ea673e6245102d Mon Sep 17 00:00:00 2001
+From: Kathleen Brade <brade at pearlcrescent.com>
+Date: Thu, 4 Oct 2012 14:53:13 -0400
+Subject: [PATCH 24/24] Do not expose system colors to CSS or canvas.
+
+---
+ content/canvas/src/nsCanvasRenderingContext2D.cpp  |   36 +++-
+ .../canvas/src/nsCanvasRenderingContext2DAzure.cpp |   51 ++++--
+ layout/style/nsCSSParser.cpp                       |   19 ++-
+ layout/style/nsRuleNode.cpp                        |    4 +-
+ widget/public/LookAndFeel.h                        |    9 +
+ widget/src/xpwidgets/nsXPLookAndFeel.cpp           |  173 +++++++++++++++++++-
+ widget/src/xpwidgets/nsXPLookAndFeel.h             |    5 +-
+ 7 files changed, 269 insertions(+), 28 deletions(-)
+
+diff --git a/content/canvas/src/nsCanvasRenderingContext2D.cpp b/content/canvas/src/nsCanvasRenderingContext2D.cpp
+index 0cf97ce..6c47821 100644
+--- a/content/canvas/src/nsCanvasRenderingContext2D.cpp
++++ b/content/canvas/src/nsCanvasRenderingContext2D.cpp
+@@ -186,8 +186,9 @@ class nsCanvasGradient : public nsIDOMCanvasGradient
+ public:
+     NS_DECLARE_STATIC_IID_ACCESSOR(NS_CANVASGRADIENT_PRIVATE_IID)
+ 
+-    nsCanvasGradient(gfxPattern* pat)
+-        : mPattern(pat)
++    nsCanvasGradient(mozilla::css::Loader* aLoader, gfxPattern* pat)
++        : mCSSLoader(aLoader)
++        , mPattern(pat)
+     {
+     }
+ 
+@@ -203,7 +204,7 @@ public:
+             return NS_ERROR_DOM_INDEX_SIZE_ERR;
+ 
+         nscolor color;
+-        nsCSSParser parser;
++        nsCSSParser parser(mCSSLoader);
+         nsresult rv = parser.ParseColorString(nsString(colorstr),
+                                               nsnull, 0, &color);
+         if (NS_FAILED(rv))
+@@ -217,6 +218,7 @@ public:
+     NS_DECL_ISUPPORTS
+ 
+ protected:
++    mozilla::css::Loader* mCSSLoader; // not ref counted, it owns us
+     nsRefPtr<gfxPattern> mPattern;
+ };
+ 
+@@ -875,7 +877,9 @@ nsCanvasRenderingContext2D::SetStyleFromStringOrInterface(const nsAString& aStr,
+                                 HTMLCanvasElement()->OwnerDoc() : nsnull;
+ 
+         // Pass the CSS Loader object to the parser, to allow parser error
+-        // reports to include the outer window ID.
++        // reports to include the outer window ID.  The parser also uses it to
++        // detect whether the caller is chrome in order to avoid exposing
++        // system colors.
+         nsCSSParser parser(document ? document->CSSLoader() : nsnull);
+         rv = parser.ParseColorString(aStr, nsnull, 0, &color);
+         if (NS_FAILED(rv)) {
+@@ -1778,7 +1782,14 @@ nsCanvasRenderingContext2D::CreateLinearGradient(float x0, float y0, float x1, f
+     if (!gradpat)
+         return NS_ERROR_OUT_OF_MEMORY;
+ 
+-    nsRefPtr<nsIDOMCanvasGradient> grad = new nsCanvasGradient(gradpat);
++    // Pass the CSS Loader object to the parser, to allow parser error reports
++    // to include the outer window ID.  The parser also uses it to detect
++    // whether the caller is chrome in order to avoid exposing system colors.
++    nsIDocument* doc = mCanvasElement ? HTMLCanvasElement()->OwnerDoc()
++                                      : nsnull;
++    mozilla::css::Loader* cssLoader = doc ? doc->CSSLoader() : nsnull;
++    nsRefPtr<nsIDOMCanvasGradient> grad = new nsCanvasGradient(cssLoader,
++                                                               gradpat);
+     if (!grad)
+         return NS_ERROR_OUT_OF_MEMORY;
+ 
+@@ -1800,7 +1811,14 @@ nsCanvasRenderingContext2D::CreateRadialGradient(float x0, float y0, float r0, f
+     if (!gradpat)
+         return NS_ERROR_OUT_OF_MEMORY;
+ 
+-    nsRefPtr<nsIDOMCanvasGradient> grad = new nsCanvasGradient(gradpat);
++    // Pass the CSS Loader object to the parser, to allow parser error reports
++    // to include the outer window ID.  The parser also uses it to detect
++    // whether the caller is chrome in order to avoid exposing system colors.
++    nsIDocument* doc = mCanvasElement ? HTMLCanvasElement()->OwnerDoc()
++                                      : nsnull;
++    mozilla::css::Loader* cssLoader = doc ? doc->CSSLoader() : nsnull;
++    nsRefPtr<nsIDOMCanvasGradient> grad = new nsCanvasGradient(cssLoader,
++                                                               gradpat);
+     if (!grad)
+         return NS_ERROR_OUT_OF_MEMORY;
+ 
+@@ -1922,7 +1940,8 @@ nsCanvasRenderingContext2D::SetShadowColor(const nsAString& colorstr)
+                             HTMLCanvasElement()->OwnerDoc() : nsnull;
+ 
+     // Pass the CSS Loader object to the parser, to allow parser error reports
+-    // to include the outer window ID.
++    // to include the outer window ID.  The parser also uses it to detect
++    // whether the caller is chrome in order to avoid exposing system colors.
+     nsCSSParser parser(document ? document->CSSLoader() : nsnull);
+     nscolor color;
+     nsresult rv = parser.ParseColorString(colorstr, nsnull, 0, &color);
+@@ -3694,7 +3713,8 @@ nsCanvasRenderingContext2D::DrawWindow(nsIDOMWindow* aWindow, float aX, float aY
+                               HTMLCanvasElement()->OwnerDoc() : nsnull;
+ 
+     // Pass the CSS Loader object to the parser, to allow parser error reports
+-    // to include the outer window ID.
++    // to include the outer window ID.  The parser also uses it to detect
++    // whether the caller is chrome in order to avoid exposing system colors.
+     nsCSSParser parser(elementDoc ? elementDoc->CSSLoader() : nsnull);
+     nsresult rv = parser.ParseColorString(PromiseFlatString(aBGColor),
+                                           nsnull, 0, &bgColor);
+diff --git a/content/canvas/src/nsCanvasRenderingContext2DAzure.cpp b/content/canvas/src/nsCanvasRenderingContext2DAzure.cpp
+index e8dfb1e..cb5a5f5 100644
+--- a/content/canvas/src/nsCanvasRenderingContext2DAzure.cpp
++++ b/content/canvas/src/nsCanvasRenderingContext2DAzure.cpp
+@@ -201,7 +201,10 @@ public:
+     }
+ 
+     nscolor color;
+-    nsCSSParser parser;
++    // Pass the CSS Loader object to the parser, to allow parser error reports
++    // to include the outer window ID.  The parser also uses it to detect
++    // whether the caller is chrome in order to avoid exposing system colors.
++    nsCSSParser parser(mCSSLoader);;
+     nsresult rv = parser.ParseColorString(nsString(colorstr),
+                                           nsnull, 0, &color);
+     if (NS_FAILED(rv)) {
+@@ -221,20 +224,24 @@ public:
+   }
+ 
+ protected:
+-  nsCanvasGradientAzure(Type aType) : mType(aType)
++  nsCanvasGradientAzure(mozilla::css::Loader* aLoader, Type aType)
++      : mCSSLoader(aLoader)
++      , mType(aType)
+   {}
+ 
+   nsTArray<GradientStop> mRawStops;
+   RefPtr<GradientStops> mStops;
++  mozilla::css::Loader* mCSSLoader; // not ref counted, it owns us
+   Type mType;
+ };
+ 
+ class nsCanvasRadialGradientAzure : public nsCanvasGradientAzure
+ {
+ public:
+-  nsCanvasRadialGradientAzure(const Point &aBeginOrigin, Float aBeginRadius,
++  nsCanvasRadialGradientAzure(mozilla::css::Loader* aLoader,
++                              const Point &aBeginOrigin, Float aBeginRadius,
+                               const Point &aEndOrigin, Float aEndRadius)
+-    : nsCanvasGradientAzure(RADIAL)
++    : nsCanvasGradientAzure(aLoader, RADIAL)
+     , mCenter1(aBeginOrigin)
+     , mCenter2(aEndOrigin)
+     , mRadius1(aBeginRadius)
+@@ -251,8 +258,9 @@ public:
+ class nsCanvasLinearGradientAzure : public nsCanvasGradientAzure
+ {
+ public:
+-  nsCanvasLinearGradientAzure(const Point &aBegin, const Point &aEnd)
+-    : nsCanvasGradientAzure(LINEAR)
++  nsCanvasLinearGradientAzure(mozilla::css::Loader* aLoader,
++                              const Point &aBegin, const Point &aEnd)
++    : nsCanvasGradientAzure(aLoader, LINEAR)
+     , mBegin(aBegin)
+     , mEnd(aEnd)
+   {
+@@ -1066,8 +1074,9 @@ nsCanvasRenderingContext2DAzure::SetStyleFromStringOrInterface(const nsAString&
+     nsIDocument* document = mCanvasElement ?
+                             HTMLCanvasElement()->OwnerDoc() : nsnull;
+ 
+-    // Pass the CSS Loader object to the parser, to allow parser error
+-    // reports to include the outer window ID.
++    // Pass the CSS Loader object to the parser, to allow parser error reports
++    // to include the outer window ID.  The parser also uses it to detect
++    // whether the caller is chrome in order to avoid exposing system colors.
+     nsCSSParser parser(document ? document->CSSLoader() : nsnull);
+     rv = parser.ParseColorString(aStr, nsnull, 0, &color);
+     if (NS_FAILED(rv)) {
+@@ -1855,8 +1864,14 @@ nsCanvasRenderingContext2DAzure::CreateLinearGradient(float x0, float y0, float
+     return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+   }
+ 
+-  nsRefPtr<nsIDOMCanvasGradient> grad =
+-    new nsCanvasLinearGradientAzure(Point(x0, y0), Point(x1, y1));
++  // Pass the CSS Loader object to the parser, to allow parser error reports
++  // to include the outer window ID.  The parser also uses it to detect
++  // whether the caller is chrome in order to avoid exposing system colors.
++  nsIDocument* doc = mCanvasElement ? HTMLCanvasElement()->OwnerDoc()
++                                    : nsnull;
++  mozilla::css::Loader* cssLoader = doc ? doc->CSSLoader() : nsnull;
++  nsRefPtr<nsIDOMCanvasGradient> grad = new nsCanvasLinearGradientAzure(
++                                     cssLoader, Point(x0, y0), Point(x1, y1));
+ 
+   *_retval = grad.forget().get();
+   return NS_OK;
+@@ -1875,8 +1890,14 @@ nsCanvasRenderingContext2DAzure::CreateRadialGradient(float x0, float y0, float
+     return NS_ERROR_DOM_INDEX_SIZE_ERR;
+   }
+ 
+-  nsRefPtr<nsIDOMCanvasGradient> grad =
+-    new nsCanvasRadialGradientAzure(Point(x0, y0), r0, Point(x1, y1), r1);
++  // Pass the CSS Loader object to the parser, to allow parser error reports
++  // to include the outer window ID.  The parser also uses it to detect
++  // whether the caller is chrome in order to avoid exposing system colors.
++  nsIDocument* doc = mCanvasElement ? HTMLCanvasElement()->OwnerDoc()
++                                    : nsnull;
++  mozilla::css::Loader* cssLoader = doc ? doc->CSSLoader() : nsnull;
++  nsRefPtr<nsIDOMCanvasGradient> grad = new nsCanvasRadialGradientAzure(
++                            cssLoader, Point(x0, y0), r0, Point(x1, y1), r1);
+ 
+   *_retval = grad.forget().get();
+   return NS_OK;
+@@ -2024,7 +2045,8 @@ nsCanvasRenderingContext2DAzure::SetShadowColor(const nsAString& colorstr)
+                           HTMLCanvasElement()->OwnerDoc() : nsnull;
+ 
+   // Pass the CSS Loader object to the parser, to allow parser error reports
+-  // to include the outer window ID.
++  // to include the outer window ID.  The parser also uses it to detect
++  // whether the caller is chrome in order to avoid exposing system colors.
+   nsCSSParser parser(document ? document->CSSLoader() : nsnull);
+   nscolor color;
+   nsresult rv = parser.ParseColorString(colorstr, nsnull, 0, &color);
+@@ -3847,7 +3869,8 @@ nsCanvasRenderingContext2DAzure::DrawWindow(nsIDOMWindow* aWindow, float aX, flo
+                             HTMLCanvasElement()->OwnerDoc() : nsnull;
+ 
+   // Pass the CSS Loader object to the parser, to allow parser error reports
+-  // to include the outer window ID.
++  // to include the outer window ID.  The parser also uses it to detect
++  // whether the caller is chrome in order to avoid exposing system colors.
+   nsCSSParser parser(elementDoc ? elementDoc->CSSLoader() : nsnull);
+   nsresult rv = parser.ParseColorString(PromiseFlatString(aBGColor),
+                                         nsnull, 0, &bgColor);
+diff --git a/layout/style/nsCSSParser.cpp b/layout/style/nsCSSParser.cpp
+index ae1a474..30e179c 100644
+--- a/layout/style/nsCSSParser.cpp
++++ b/layout/style/nsCSSParser.cpp
+@@ -1216,8 +1216,25 @@ CSSParserImpl::ParseColorString(const nsSubstring& aBuffer,
+       // Should remove this limitation at some point.
+       return NS_ERROR_FAILURE;
+     }
++
++    // We do not want to expose system/native colors to content.  All callers
++    // who are working with content should ensure that they set the CSS
++    // loader (mChildLoader) so we can check here if the content is chrome.
++    bool isChrome = true;
++    if (mChildLoader) {
++      nsIDocument *doc = mChildLoader->GetDocument();
++      if (doc) {
++        nsIPresShell *presShell = doc->GetShell();
++        if (presShell) {
++          nsPresContext* presCtxt = presShell->GetPresContext();
++          if (presCtxt)
++            isChrome = presCtxt->IsChrome();
++        }
++      }
++    }
+     nscolor rgba;
+-    nsresult rv = LookAndFeel::GetColor(LookAndFeel::ColorID(val), &rgba);
++    nsresult rv = LookAndFeel::GetColor(LookAndFeel::ColorID(val), !isChrome,
++                                        &rgba);
+     if (NS_FAILED(rv)) {
+       return rv;
+     }
+diff --git a/layout/style/nsRuleNode.cpp b/layout/style/nsRuleNode.cpp
+index 827585a..d19524e 100644
+--- a/layout/style/nsRuleNode.cpp
++++ b/layout/style/nsRuleNode.cpp
+@@ -768,7 +768,9 @@ static bool SetColor(const nsCSSValue& aValue, const nscolor aParentColor,
+     PRInt32 intValue = aValue.GetIntValue();
+     if (0 <= intValue) {
+       LookAndFeel::ColorID colorID = (LookAndFeel::ColorID) intValue;
+-      if (NS_SUCCEEDED(LookAndFeel::GetColor(colorID, &aResult))) {
++      bool useStandinsForNativeColors = !aPresContext->IsChrome();
++      if (NS_SUCCEEDED(LookAndFeel::GetColor(colorID,
++                                    useStandinsForNativeColors, &aResult))) {
+         result = true;
+       }
+     }
+diff --git a/widget/public/LookAndFeel.h b/widget/public/LookAndFeel.h
+index aae3b28..bb7be3c 100644
+--- a/widget/public/LookAndFeel.h
++++ b/widget/public/LookAndFeel.h
+@@ -445,6 +445,15 @@ public:
+   static nsresult GetColor(ColorID aID, nscolor* aResult);
+ 
+   /**
++   * This variant of GetColor() take an extra Boolean parameter that allows
++   * the caller to ask that hard-coded color values be substituted for
++   * native colors (used when it is desireable to hide system colors to
++   * avoid system fingerprinting).
++   */
++  static nsresult GetColor(ColorID aID, bool aUseStandinsForNativeColors,
++                           nscolor* aResult);
++
++  /**
+    * GetInt() and GetFloat() return a int or float value for aID.  The result
+    * might be distance, time, some flags or a int value which has particular
+    * meaning.  See each document at definition of each ID for the detail.
+diff --git a/widget/src/xpwidgets/nsXPLookAndFeel.cpp b/widget/src/xpwidgets/nsXPLookAndFeel.cpp
+index 8053432..96937ac 100644
+--- a/widget/src/xpwidgets/nsXPLookAndFeel.cpp
++++ b/widget/src/xpwidgets/nsXPLookAndFeel.cpp
+@@ -502,6 +502,155 @@ nsXPLookAndFeel::IsSpecialColor(ColorID aID, nscolor &aColor)
+   return false;
+ }
+ 
++bool
++nsXPLookAndFeel::ColorIsNotCSSAccessible(ColorID aID)
++{
++  bool result = false;
++
++  switch (aID) {
++    case eColorID_WindowBackground:
++    case eColorID_WindowForeground:
++    case eColorID_WidgetBackground:
++    case eColorID_WidgetForeground:
++    case eColorID_WidgetSelectBackground:
++    case eColorID_WidgetSelectForeground:
++    case eColorID_Widget3DHighlight:
++    case eColorID_Widget3DShadow:
++    case eColorID_TextBackground:
++    case eColorID_TextForeground:
++    case eColorID_TextSelectBackground:
++    case eColorID_TextSelectForeground:
++    case eColorID_TextSelectBackgroundDisabled:
++    case eColorID_TextSelectBackgroundAttention:
++    case eColorID_TextHighlightBackground:
++    case eColorID_TextHighlightForeground:
++    case eColorID_IMERawInputBackground:
++    case eColorID_IMERawInputForeground:
++    case eColorID_IMERawInputUnderline:
++    case eColorID_IMESelectedRawTextBackground:
++    case eColorID_IMESelectedRawTextForeground:
++    case eColorID_IMESelectedRawTextUnderline:
++    case eColorID_IMEConvertedTextBackground:
++    case eColorID_IMEConvertedTextForeground:
++    case eColorID_IMEConvertedTextUnderline:
++    case eColorID_IMESelectedConvertedTextBackground:
++    case eColorID_IMESelectedConvertedTextForeground:
++    case eColorID_IMESelectedConvertedTextUnderline:
++    case eColorID_SpellCheckerUnderline:
++      result = true;
++      break;
++    default:
++      break;
++  }
++
++  return result;
++}
++
++nscolor
++nsXPLookAndFeel::GetStandinForNativeColor(ColorID aID)
++{
++  nscolor result = NS_RGB(0xFF, 0xFF, 0xFF);
++
++  // The stand-in colors are taken from the Windows 7 Aero theme
++  // except Mac-specific colors which are taken from Mac OS 10.7.
++  switch (aID) {
++    // CSS 2 colors:
++    case eColorID_activeborder:      result = NS_RGB(0xB4, 0xB4, 0xB4); break;
++    case eColorID_activecaption:     result = NS_RGB(0x99, 0xB4, 0xD1); break;
++    case eColorID_appworkspace:      result = NS_RGB(0xAB, 0xAB, 0xAB); break;
++    case eColorID_background:        result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID_buttonface:        result = NS_RGB(0xF0, 0xF0, 0xF0); break;
++    case eColorID_buttonhighlight:   result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID_buttonshadow:      result = NS_RGB(0xA0, 0xA0, 0xA0); break;
++    case eColorID_buttontext:        result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID_captiontext:       result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID_graytext:          result = NS_RGB(0x6D, 0x6D, 0x6D); break;
++    case eColorID_highlight:         result = NS_RGB(0x33, 0x99, 0xFF); break;
++    case eColorID_highlighttext:     result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID_inactiveborder:    result = NS_RGB(0xF4, 0xF7, 0xFC); break;
++    case eColorID_inactivecaption:   result = NS_RGB(0xBF, 0xCD, 0xDB); break;
++    case eColorID_inactivecaptiontext:
++      result = NS_RGB(0x43, 0x4E, 0x54); break;
++    case eColorID_infobackground:    result = NS_RGB(0xFF, 0xFF, 0xE1); break;
++    case eColorID_infotext:          result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID_menu:              result = NS_RGB(0xF0, 0xF0, 0xF0); break;
++    case eColorID_menutext:          result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID_scrollbar:         result = NS_RGB(0xC8, 0xC8, 0xC8); break;
++    case eColorID_threeddarkshadow:  result = NS_RGB(0x69, 0x69, 0x69); break;
++    case eColorID_threedface:        result = NS_RGB(0xF0, 0xF0, 0xF0); break;
++    case eColorID_threedhighlight:   result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID_threedlightshadow: result = NS_RGB(0xE3, 0xE3, 0xE3); break;
++    case eColorID_threedshadow:      result = NS_RGB(0xA0, 0xA0, 0xA0); break;
++    case eColorID_window:            result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID_windowframe:       result = NS_RGB(0x64, 0x64, 0x64); break;
++    case eColorID_windowtext:        result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID__moz_buttondefault:
++      result = NS_RGB(0x69, 0x69, 0x69); break;
++    case eColorID__moz_field:        result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID__moz_fieldtext:    result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID__moz_dialog:       result = NS_RGB(0xF0, 0xF0, 0xF0); break;
++    case eColorID__moz_dialogtext:   result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID__moz_dragtargetzone:
++      result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID__moz_cellhighlight:
++      result = NS_RGB(0xF0, 0xF0, 0xF0); break;
++    case eColorID__moz_cellhighlighttext:
++      result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID__moz_html_cellhighlight:
++      result = NS_RGB(0x33, 0x99, 0xFF); break;
++    case eColorID__moz_html_cellhighlighttext:
++      result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID__moz_buttonhoverface:
++      result = NS_RGB(0xF0, 0xF0, 0xF0); break;
++    case eColorID__moz_buttonhovertext:
++      result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID__moz_menuhover:
++      result = NS_RGB(0x33, 0x99, 0xFF); break;
++    case eColorID__moz_menuhovertext:
++      result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID__moz_menubartext:
++      result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID__moz_menubarhovertext:
++      result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID__moz_oddtreerow:
++      result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID__moz_mac_chrome_active:
++      result = NS_RGB(0xB2, 0xB2, 0xB2); break;
++    case eColorID__moz_mac_chrome_inactive:
++      result = NS_RGB(0xE1, 0xE1, 0xE1); break;
++    case eColorID__moz_mac_focusring:
++      result = NS_RGB(0x60, 0x9D, 0xD7); break;
++    case eColorID__moz_mac_menuselect:
++      result = NS_RGB(0x38, 0x75, 0xD7); break;
++    case eColorID__moz_mac_menushadow:
++      result = NS_RGB(0xA3, 0xA3, 0xA3); break;
++    case eColorID__moz_mac_menutextdisable:
++      result = NS_RGB(0x88, 0x88, 0x88); break;
++    case eColorID__moz_mac_menutextselect:
++      result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID__moz_mac_disabledtoolbartext:
++      result = NS_RGB(0x3F, 0x3F, 0x3F); break;
++    case eColorID__moz_mac_alternateprimaryhighlight:
++      result = NS_RGB(0x38, 0x75, 0xD7); break;
++    case eColorID__moz_mac_secondaryhighlight:
++      result = NS_RGB(0xD4, 0xD4, 0xD4); break;
++    case eColorID__moz_win_mediatext:
++      result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID__moz_win_communicationstext:
++      result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    case eColorID__moz_nativehyperlinktext:
++      result = NS_RGB(0x00, 0x66, 0xCC); break;
++    case eColorID__moz_comboboxtext:
++      result = NS_RGB(0x00, 0x00, 0x00); break;
++    case eColorID__moz_combobox:
++      result = NS_RGB(0xFF, 0xFF, 0xFF); break;
++    default:
++      break;
++  }
++
++  return result;
++}
++
+ //
+ // All these routines will return NS_OK if they have a value,
+ // in which case the nsLookAndFeel should use that value;
+@@ -509,7 +658,8 @@ nsXPLookAndFeel::IsSpecialColor(ColorID aID, nscolor &aColor)
+ // platform-specific nsLookAndFeel should use its own values instead.
+ //
+ nsresult
+-nsXPLookAndFeel::GetColorImpl(ColorID aID, nscolor &aResult)
++nsXPLookAndFeel::GetColorImpl(ColorID aID, bool aUseStandinsForNativeColors,
++                              nscolor &aResult)
+ {
+   if (!sInitialized)
+     Init();
+@@ -595,7 +745,10 @@ nsXPLookAndFeel::GetColorImpl(ColorID aID, nscolor &aResult)
+   }
+ #endif // DEBUG_SYSTEM_COLOR_USE
+ 
+-  if (IS_COLOR_CACHED(aID)) {
++  if (aUseStandinsForNativeColors && ColorIsNotCSSAccessible(aID))
++    aUseStandinsForNativeColors = false;
++
++  if (!aUseStandinsForNativeColors && IS_COLOR_CACHED(aID)) {
+     aResult = sCachedColors[aID];
+     return NS_OK;
+   }
+@@ -629,6 +782,12 @@ nsXPLookAndFeel::GetColorImpl(ColorID aID, nscolor &aResult)
+     return NS_OK;
+   }
+ 
++  if (sUseNativeColors && aUseStandinsForNativeColors)
++  {
++    aResult = GetStandinForNativeColor(aID);
++    return NS_OK;
++  }
++
+   if (sUseNativeColors && NS_SUCCEEDED(NativeGetColor(aID, aResult))) {
+     if ((gfxPlatform::GetCMSMode() == eCMSMode_All) &&
+          !IsSpecialColor(aID, aResult)) {
+@@ -719,7 +878,15 @@ namespace mozilla {
+ nsresult
+ LookAndFeel::GetColor(ColorID aID, nscolor* aResult)
+ {
+-  return nsLookAndFeel::GetInstance()->GetColorImpl(aID, *aResult);
++  return nsLookAndFeel::GetInstance()->GetColorImpl(aID, false, *aResult);
++}
++
++nsresult
++LookAndFeel::GetColor(ColorID aID, bool aUseStandinsForNativeColors,
++                      nscolor* aResult)
++{
++  return nsLookAndFeel::GetInstance()->GetColorImpl(aID,
++                                       aUseStandinsForNativeColors, *aResult);
+ }
+ 
+ // static
+diff --git a/widget/src/xpwidgets/nsXPLookAndFeel.h b/widget/src/xpwidgets/nsXPLookAndFeel.h
+index ce06575..c0ecc32 100644
+--- a/widget/src/xpwidgets/nsXPLookAndFeel.h
++++ b/widget/src/xpwidgets/nsXPLookAndFeel.h
+@@ -84,7 +84,8 @@ public:
+   // otherwise we'll return NS_ERROR_NOT_AVAILABLE, in which case, the
+   // platform-specific nsLookAndFeel should use its own values instead.
+   //
+-  nsresult GetColorImpl(ColorID aID, nscolor &aResult);
++  nsresult GetColorImpl(ColorID aID, bool aUseStandinsForNativeColors,
++                        nscolor &aResult);
+   virtual nsresult GetIntImpl(IntID aID, PRInt32 &aResult);
+   virtual nsresult GetFloatImpl(FloatID aID, float &aResult);
+ 
+@@ -111,6 +112,8 @@ protected:
+   void InitColorFromPref(PRInt32 aIndex);
+   virtual nsresult NativeGetColor(ColorID aID, nscolor &aResult) = 0;
+   bool IsSpecialColor(ColorID aID, nscolor &aColor);
++  bool ColorIsNotCSSAccessible(ColorID aID);
++  nscolor GetStandinForNativeColor(ColorID aID);
+ 
+   static int OnPrefChanged(const char* aPref, void* aClosure);
+ 
+-- 
+1.7.5.4
+





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