Bug 1016437 - Document why we don't use TiledTextureImage for YCbCr frames and add an assert to that effect. r=nical
Bug 1016437 - Make TextureImageTextureSourceOGL::Update refuse uploading textures that exceed the maximum texture size if bigimage is disallowed. r=bjacob
Bug 1009679 - Layerize the scrollbar thumb on desktop, too. r=roc