Rename options.OptionsBubble to cr.ui.AutoCloseBubble

This CL makes the bubble implementation used on the options page into the
cr.ui namespace so that it can be shared with the upcoming improved
about:policy page.

BUG=134849
TEST=Manual


Review URL: https://chromiumcodereview.appspot.com/11854012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@176821 0039d316-1c4b-4281-b951-d872f2087c98
6 files changed