Remove more GpuMemoryBufferId plumbing

cc/surfaces/surface_factory.cc

Index: cc/surfaces/surface_factory.cc
diff --git a/cc/surfaces/surface_factory.cc b/cc/surfaces/surface_factory.cc
index 8e748803ebf205847d0e528d090da2c375f08388..03517c4613cfc79e3a3235bda0f653d583b842fd 100644
--- a/cc/surfaces/surface_factory.cc
+++ b/cc/surfaces/surface_factory.cc
@@ -66,14 +66,6 @@ void SurfaceFactory::SetPreviousFrameSurface(SurfaceId new_id,
   }
 }
 
-void SurfaceFactory::SetSurfaceGpuMemoryBufferClientId(
-    SurfaceId surface_id,
-    int gpu_memory_buffer_client_id) {
-  OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
-  DCHECK(it != surface_map_.end());
-  it->second->SetGpuMemoryBufferClientId(gpu_memory_buffer_client_id);
-}
-
 void SurfaceFactory::SubmitCompositorFrame(SurfaceId surface_id,
                                            CompositorFrame frame,
                                            const DrawCallback& callback) {