GitLab

Adding in metrics for GAIA photo info. Also, fixing avatar logging to only log when the user changes their photo. Currently it logs any time name OR avatar are updated. Now it should only do it for actual avatar changes.

BUG=93825,106134
TEST=none

Review URL: http://codereview.chromium.org/8790010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113128 0039d316-1c4b-4281-b951-d872f2087c98