Fix broken toolkit_views build by adding include of message_loop.
Fix broken toolkit_views build by adding include of message_loop.

TBR=sky
Review URL: http://codereview.chromium.org/115806

git-svn-id: http://src.chromium.org/svn/trunk/src@16957 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 66993ce4f093aab5cd2f8f3199fd185219ac1c7e
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