a11y: Fix incorrectly echoed menu because of invisible items.

BUG=314929
TEST=AccessibilityEventRouterViewsTest.MenuIndexAndCountForInvisibleMenu

Review URL: https://codereview.chromium.org/77723011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236631 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236631
Remove spammy AudioManagerBase log.

Triggers for every linux audio stream.

BUG=none
TEST=none
TBR=tommi

Review URL: https://codereview.chromium.org/81973002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236632 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236632