TBR=tbreisacher@chromium.org
BUG=78368

Review URL: https://codereview.chromium.org/478683003

Cr-Commit-Position: refs/heads/master@{#290750}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@290750 0039d316-1c4b-4281-b951-d872f2087c98