GitLab

ChromeGeolocationPermissionContext is RefcountedThreadsafe and
may lose it's last reference from either the UI thread or the
IO thread. GeolocationInfobarQueueController must be destroyed
on the UI thread, however.

Depends on https://codereview.chromium.org/11587003/

TEST=
BUG=127751

Review URL: https://chromiumcodereview.appspot.com/11590002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@176112 0039d316-1c4b-4281-b951-d872f2087c98