GitLab

Depends on http://codereview.chromium.org/10700007/

BUG=133094
TEST=Use browserAction.disable/enable(tabid), observe that the browser action becomes grayed out.

Review URL: https://chromiumcodereview.appspot.com/10789026

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148043 0039d316-1c4b-4281-b951-d872f2087c98