GraphicsLayerQt is currently used as a GraphicsLayer backend for Symbian/Windows. That code is no longer maintained and should be moved over to use TextureMapperImageBuffer.
Created attachment 150467 [details] Patch
Comment on attachment 150467 [details] Patch Clearing flags on attachment: 150467 Committed r121710: <http://trac.webkit.org/changeset/121710>
All reviewed patches have been landed. Closing bug.