Make a DCHECK into a much more useful DCHECK_EQ in message_pump_win.cc.
Make a DCHECK into a much more useful DCHECK_EQ in message_pump_win.cc.

Review URL: http://codereview.chromium.org/6246155

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@74065 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