GitLab

The app-list closes itself when a click happens outside the bounds of
the window. However, if the click happens on a menu that is hanging
outside the window-bounds, then the app-list should not close.

BUG=131282
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10831024

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148554 0039d316-1c4b-4281-b951-d872f2087c98