GitLab

BUG=50583
TEST=Saw bug in heapcheck, made change, saw bug dissapear.

Review URL: http://codereview.chromium.org/2856069

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@54181 0039d316-1c4b-4281-b951-d872f2087c98