Adjust BookmarkBubble's behaviour according to Nick's wireframe
Adjust BookmarkBubble's behaviour according to Nick's wireframe

when first click on StarButton to add bookmark, if user touch
other non-event places on Browser to exit edit. bookmark would be
added to BookmarkBar.


Former-commit-id: afd8fa989a1987a95c69d3977a3aba8fbc7a009a
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser