[tor-bugs] #9308 [Firefox Patch Issues]: JavaScript's BrowserFeedWriter() leaks installation paths on OS X and Windows

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#9308: JavaScript's BrowserFeedWriter() leaks installation paths on OS X and
Windows
-------------------------------------+-------------------------------------
     Reporter:  cypherpunks          |      Owner:  mikeperry
         Type:  defect               |     Status:  needs_review
     Priority:  critical             |  Milestone:
    Component:  Firefox Patch        |    Version:
  Issues                             |   Keywords:  tbb-fingerprinting,
   Resolution:                       |  tbb-easy, interview,
Actual Points:                       |  GeorgKoppen201404R
       Points:                       |  Parent ID:
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Comment (by arthuredelstein):

 1. In the former patch, I was trying to turn on precompilation of the
 startup cache, a step in `make package`. When the startup cache is
 precompiled, it masks file:// URLs and provides resource:// URLs instead.
 Unfortunately, I discovered that precompilation simply doesn't work when
 the build is cross compiled, because in order to cross compile, we need a
 native version of xpcshell. In order to get this native version, we would
 need to run a separate native linux build of mozilla-central. This seemed
 awkward and unnecessarily slow.

 2. I don't know why it isn't working on the gitian build. What is the text
 you see on the test website? I will try to reproduce that here, but as I
 am traveling today it may not get a chance until tomorrow.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9308#comment:11>
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