Only allow bookmark keyboard shortcut for tabbed browsers.
Only allow bookmark keyboard shortcut for tabbed browsers.

BUG=5055
TEST=make sure control-d does nothing for apps and popup windows

Review URL: http://codereview.chromium.org/13363

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@6764 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser