Automated Commit: Committing new LKGM version 4960.0.0 for chromeos.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235099 0039d316-1c4b-4281-b951-d872f2087c98
rAc: show (?) tooltip bubble after short delay.

R=estade@chromium.org
BUG=318441

Review URL: https://codereview.chromium.org/68113011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235100 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 235099
SVN changes up to revision 235100