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jar@chromium.org authored
Histograms are found via a locked function, and then placed into static atomic variables. They allow for racing with a second thread that emplants the same pointer into that atomic variable. r=dhollowa BUG=104776 Review URL: http://codereview.chromium.org/8491067 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110885 0039d316-1c4b-4281-b951-d872f2087c98
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