Bug 844693 - Remove MacIOSurfaceImage::SetUpdateCallback. r=BenWa
Bug 860615 - Add CreateSharedHandle to GLContextProvider so we can create one without a GLContext. r=jgilbert
Bug 860615 - Add SharedTextureHandle support to GLContextCGL. r=jgilbert
Bug 860615 - Add SharedTextureHandle support to ImageLayerOGL. r=BenWa
Bug 860615 - Use SharedTextureHandle for plugins on OSX. r=BenWa
Bug 860615 - Remove MacIOSurfaceImage. r=BenWa
Bug 856433 - Allow cancellation of nonexistent nrappkit timers off the STS thread. r=abr