Don't PushProperties every commit for animating layers

cc/layers/layer_impl.cc

 // Copyright 2012 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/layer_impl.h"
 
 #include "base/debug/trace_event.h"
 #include "base/strings/stringprintf.h"
 #include "cc/animation/animation_registrar.h"
 #include "cc/animation/scrollbar_animation_controller.h"
@@ skipping 676 matching lines @@
 }
 
 void LayerImpl::OnOpacityAnimated(float opacity) {
   SetOpacity(opacity);
 }
 
 void LayerImpl::OnTransformAnimated(const gfx::Transform& transform) {
   SetTransform(transform);
 }
 
+void LayerImpl::OnAnimationWaitingForDeletion() {}
+
 bool LayerImpl::IsActive() const {
   return layer_tree_impl_->IsActiveTree();
 }
 
 void LayerImpl::SetBounds(gfx::Size bounds) {
   if (bounds_ == bounds)
     return;
 
   bounds_ = bounds;
 
@@ skipping 640 matching lines @@
   scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue());
   AsValueInto(state.get());
   return state.PassAs<base::Value>();
 }
 
 void LayerImpl::RunMicroBenchmark(MicroBenchmarkImpl* benchmark) {
   benchmark->RunOnLayer(this);
 }
 
 }  // namespace cc