If a QGraphicsWebView is part of a larger graphics scene, it it receives paint calls with an 'exposed' area larger than the webview, it painting will be clipped to the exposed area and not to webview.
Created attachment 210288 [details] Patch
Created attachment 210297 [details] Patch
Created attachment 210336 [details] Patch
Comment on attachment 210336 [details] Patch Clearing flags on attachment: 210336 Committed r154983: <http://trac.webkit.org/changeset/154983>
All reviewed patches have been landed. Closing bug.