Disables dragging of imgs in recently closed window section.
Disables dragging of imgs in recently closed window section.

BUG=5836
TEST=see bug

Review URL: http://codereview.chromium.org/21490

git-svn-id: http://src.chromium.org/svn/trunk/src@9998 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c97df587075ae64f1f157f036dc2043313ae1b87
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