Add function to CancelableTaskTracker and convert BootTimeLoader (take 2)
This is the second try of: https://chromiumcodereview.appspot.com/11410073
Previous code has a potential race condition:
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In old code when IsCanceledCallback is deleted. CancellationFlag is
deleted In task thread, and Untrack is called on client thread.
There's potential racy between:
1. CancellationFlag deletion. (task thread)
2. Untrack is called. (client thread)
3. TryCancel is called for the specific task. (client thread)
When the order is 1, 3, 2. There will be a CancellationFlag use after
delettion bug.
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BUG=155883
TBR=brettw
Review URL: https://codereview.chromium.org/11414041
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@168321 0039d316-1c4b-4281-b951-d872f2087c98
7 files changed
