commit 1240ac3e85536322d6af0075c662eaf60ab078f9 Author: Kathy Brade brade@pearlcrescent.com Date: Tue Apr 11 11:33:02 2017 -0400

Bug 21876: Always use esr policies for e10s.

Always use the policies associated with the esr update channel so that the e10s behavior is the same for all Tor Browser builds. --- browser/extensions/e10srollout/bootstrap.js | 5 ++++- toolkit/xre/nsAppRunner.cpp | 9 +++------ 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/browser/extensions/e10srollout/bootstrap.js b/browser/extensions/e10srollout/bootstrap.js index 8847501..e4e0738 100644 --- a/browser/extensions/e10srollout/bootstrap.js +++ b/browser/extensions/e10srollout/bootstrap.js @@ -58,7 +58,10 @@ function defineCohort() { } cohortDefinedOnThisSession = true;

- let updateChannel = UpdateUtils.getUpdateChannel(false); + // For Tor Browser, always use the e10s policies associated with the esr + // update channel so that the e10s behavior is the same for all builds. + let updateChannel = "esr"; + if (!(updateChannel in TEST_THRESHOLD)) { setCohort("unsupportedChannel"); return; diff --git a/toolkit/xre/nsAppRunner.cpp b/toolkit/xre/nsAppRunner.cpp index 721f599..190fec1 100644 --- a/toolkit/xre/nsAppRunner.cpp +++ b/toolkit/xre/nsAppRunner.cpp @@ -5453,15 +5453,12 @@ MultiprocessBlockPolicy() { #endif

/** - * Avoids enabling e10s for Windows XP users on the release channel. + * Avoid enabling e10s for all Windows XP users. */ #if defined(XP_WIN) if (!IsVistaOrLater()) { - nsAdoptingCString channelName = Preferences::GetDefaultCString("app.update.channel"); - if (channelName.EqualsLiteral("release") || channelName.EqualsLiteral("esr")) { - gMultiprocessBlockPolicy = kE10sDisabledForOperatingSystem; - return gMultiprocessBlockPolicy; - } + gMultiprocessBlockPolicy = kE10sDisabledForOperatingSystem; + return gMultiprocessBlockPolicy; } #endif // XP_WIN