Fix task manager by only adding the table view to the view hierarchy when the task manager view is added.
Fix task manager by only adding the table view to the view hierarchy when the task manager view is added.

http://crbug.com/12927
TEST=open the task manager, should work
Review URL: http://codereview.chromium.org/119105

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@17532 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