GitLab

Found by the Mac OS X 'leaks' tool; fixed on a plane.

BUG=292905

Review URL: https://chromiumcodereview.appspot.com/23686018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@223554 0039d316-1c4b-4281-b951-d872f2087c98