GitLab

The fix is very subtle.  We need the comment to ensure we don't accidentally
revert the fix.  It's also a helpful reminder that we should try to find a less
brittle solution.

BUG=95619
TEST=None


Review URL: http://codereview.chromium.org/7995015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@102436 0039d316-1c4b-4281-b951-d872f2087c98