Pass --js-flags to shared workers.

R=atwilson@chromium.org
BUG=314198

Review URL: https://codereview.chromium.org/66033015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234587 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234587
Updates the web_notification_tray visibility when login status is changed.

BUG=313850
R=stevenjb@chromium.org

Review URL: https://codereview.chromium.org/67623002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234588 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234588