Fixes close other tabs regression. It needed to check overall tab count too.
Fixes close other tabs regression. It needed to check overall tab
count too.

BUG=35576
TEST=see bug

Review URL: http://codereview.chromium.org/629006

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@39365 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