Set the focused item before returning from setAccessibilityFocus.
VoiceOver plays clicks whenever focus moves. Due to the async nature of our focus notifications (i.e. setAccessibilityFocus returns potentially before we ire a focus event), we sometimes don't play the focus click.
If we set focus immediately (as in the focused item in BrowserAccessibilityManager), VoiceOver always plays focus clicks -- this is desirable.
BUG=none
TEST=manual
TBR=avi@chromium.org
Review URL: https://chromiumcodereview.appspot.com/
10545042
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@140886 0039d316-1c4b-4281-b951-d872f2087c98