Update Surface ID Terminology

cc/layers/surface_layer_impl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/layers/surface_layer_impl.h"
 
 #include <stdint.h>
 
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/debug/debug_colors.h"
@@ skipping 11 matching lines @@
 
 SurfaceLayerImpl::~SurfaceLayerImpl() {
   layer_tree_impl()->RemoveSurfaceLayer(this);
 }
 
 std::unique_ptr<LayerImpl> SurfaceLayerImpl::CreateLayerImpl(
     LayerTreeImpl* tree_impl) {
   return SurfaceLayerImpl::Create(tree_impl, id());
 }
 
-void SurfaceLayerImpl::SetSurfaceId(SurfaceId surface_id) {
+void SurfaceLayerImpl::SetSurfaceId(const SurfaceId& surface_id) {
   if (surface_id_ == surface_id)
     return;
 
   surface_id_ = surface_id;
   NoteLayerPropertyChanged();
 }
 
 void SurfaceLayerImpl::SetSurfaceScale(float scale) {
   if (surface_scale_ == scale)
     return;
@@ skipping 137 matching lines @@
 void SurfaceLayerImpl::AsValueInto(base::trace_event::TracedValue* dict) const {
   LayerImpl::AsValueInto(dict);
   dict->SetString("surface_id", surface_id_.ToString());
 }
 
 const char* SurfaceLayerImpl::LayerTypeAsString() const {
   return "cc::SurfaceLayerImpl";
 }
 
 }  // namespace cc