Windows: cefclient: Fix delivery of mouse up events with offscreen rendering example (issue #902).

git-svn-id: http://chromiumembedded.googlecode.com/svn/trunk@1126 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
Make sure RenderViewCreated is called at least one time since it does not appear to currently be called for popup windows (issue #892).

git-svn-id: http://chromiumembedded.googlecode.com/svn/trunk@1128 5089003a-bbd8-11dd-ad1f-f1f9622dbc98