Add a CHECK() to make sure thread creation succeeded. We are getting some crashes later because of a NULL message loop, and this would confirm if thread start has been failng.
Add a CHECK() to make sure thread creation succeeded.
We are getting some crashes later because of a NULL message loop, and this would confirm if thread start has been failng.

Review URL: http://codereview.chromium.org/5755001

git-svn-id: http://src.chromium.org/svn/trunk/src@68796 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 89f290daea492c466396e9d992732b58ac68049d
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