The HUD texture is now allocated out of the RenderSurface manager whose textures don't get explicitly unreserved after drawing. As a result, we end up doing a double-reserve of the HUD texture which hits an ASSERT in debug builds.
Created attachment 101941 [details] Patch
Comment on attachment 101941 [details] Patch Looks OK as long as it's been tested.
I tested locally with and without this patch in debug. Thanks for the quick review.
Committed r91722: <http://trac.webkit.org/changeset/91722>