cc: Remove unused metrics from RenderingStats.

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 <algorithm>
 #include <stack>
 
 #include "base/bind.h"
@@ skipping 1139 matching lines @@
                  animate));
 }
 
 scoped_ptr<base::Value> LayerTreeHost::AsValue() const {
   scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue());
   state->Set("proxy", proxy_->AsValue().release());
   return state.PassAs<base::Value>();
 }
 
 void LayerTreeHost::AnimateLayers(base::TimeTicks time) {
-  rendering_stats_instrumentation_->IncrementAnimationFrameCount();
   if (!settings_.accelerated_animation_enabled ||
       animation_registrar_->active_animation_controllers().empty())
     return;
 
   TRACE_EVENT0("cc", "LayerTreeHost::AnimateLayers");
 
   double monotonic_time = (time - base::TimeTicks()).InSecondsF();
 
   AnimationRegistrar::AnimationControllerMap copy =
       animation_registrar_->active_animation_controllers();
@@ skipping 65 matching lines @@
 void LayerTreeHost::RegisterViewportLayers(
     scoped_refptr<Layer> page_scale_layer,
     scoped_refptr<Layer> inner_viewport_scroll_layer,
     scoped_refptr<Layer> outer_viewport_scroll_layer) {
   page_scale_layer_ = page_scale_layer;
   inner_viewport_scroll_layer_ = inner_viewport_scroll_layer;
   outer_viewport_scroll_layer_ = outer_viewport_scroll_layer;
 }
 
 }  // namespace cc