GitLab

The original CL was landed in https://codereview.chromium.org/26541005/
but the CL caused a dead lock. This CL fixed the issue.

NOTRY=true

Review URL: https://codereview.chromium.org/28593003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233266 0039d316-1c4b-4281-b951-d872f2087c98