Bug 1054079 (Part 1) - Add a way to check if it's safe to render content to data surfaces to gfxPlatform. r=mattwoodrow
Bug 1054079 (Part 2) - Make it possible to initialize an imgFrame with a gfxDrawable. r=tn,mwu,mattwoodrow
Bug 1054079 (Part 3) - Store imgFrame objects, not SourceSurface objects, in the SurfaceCache. r=dholbert