compositor-worker: blink->cc plumbing

cc/trees/layer_tree_host.cc

 // Copyright 2011 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/trees/layer_tree_host.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 1097 matching lines @@
   proxy_->SetAuthoritativeVSyncInterval(interval);
 }
 
 void LayerTreeHost::RecordFrameTimingEvents(
     scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
     scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events) {
   client_->RecordFrameTimingEvents(std::move(composite_events),
                                    std::move(main_frame_events));
 }
 
+void LayerTreeHost::SetLayerTreeMutator(LayerTreeMutator* mutator) {
+  proxy_->SetMutator(mutator);
+}
+
 Layer* LayerTreeHost::LayerById(int id) const {
   LayerIdMap::const_iterator iter = layer_id_map_.find(id);
   return iter != layer_id_map_.end() ? iter->second : NULL;
 }
 
 void LayerTreeHost::RegisterLayer(Layer* layer) {
   DCHECK(!LayerById(layer->id()));
   DCHECK(!in_paint_layer_contents_);
   layer_id_map_[layer->id()] = layer;
   if (animation_host_)
@@ skipping 314 matching lines @@
 
   // It is required to create new PropertyTrees before deserializing it.
   property_trees_ = PropertyTrees();
   property_trees_.FromProtobuf(proto.property_trees());
 
   surface_id_namespace_ = proto.surface_id_namespace();
   next_surface_sequence_ = proto.next_surface_sequence();
 }
 
 }  // namespace cc