cc: Remove OverdrawMetrics and --trace-overdraw flag.

cc/trees/layer_tree_host.h

 // 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.
 
 #ifndef CC_TREES_LAYER_TREE_HOST_H_
 #define CC_TREES_LAYER_TREE_HOST_H_
 
 #include <limits>
 #include <list>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/cancelable_callback.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "cc/animation/animation_events.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_vector.h"
 #include "cc/base/swap_promise.h"
 #include "cc/base/swap_promise_monitor.h"
 #include "cc/debug/micro_benchmark.h"
 #include "cc/debug/micro_benchmark_controller.h"
-#include "cc/debug/overdraw_metrics.h"
 #include "cc/input/input_handler.h"
 #include "cc/input/scrollbar.h"
 #include "cc/input/top_controls_state.h"
 #include "cc/layers/layer_lists.h"
 #include "cc/output/output_surface.h"
 #include "cc/resources/resource_format.h"
 #include "cc/resources/scoped_ui_resource.h"
 #include "cc/trees/layer_tree_host_client.h"
 #include "cc/trees/layer_tree_host_common.h"
 #include "cc/trees/layer_tree_settings.h"
@@ skipping 297 matching lines @@
                                   ResourceUpdateQueue* queue,
                                   bool* did_paint_content,
                                   bool* need_more_updates);
   bool UpdateLayers(Layer* root_layer, ResourceUpdateQueue* queue);
   void UpdateHudLayer();
   void TriggerPrepaint();
 
   void ReduceMemoryUsage();
 
   void PrioritizeTextures(
-      const RenderSurfaceLayerList& render_surface_layer_list,
-      OverdrawMetrics* metrics);
+      const RenderSurfaceLayerList& render_surface_layer_list);
   void SetPrioritiesForSurfaces(size_t surface_memory_bytes);
   void SetPrioritiesForLayers(const RenderSurfaceLayerList& update_list);
   size_t CalculateMemoryForRenderSurfaces(
       const RenderSurfaceLayerList& update_list);
 
   bool AnimateLayersRecursive(Layer* current, base::TimeTicks time);
 
   struct UIResourceClientData {
     UIResourceClient* client;
     gfx::Size size;
@@ skipping 100 matching lines @@
 
   ScopedPtrVector<SwapPromise> swap_promise_list_;
   std::set<SwapPromiseMonitor*> swap_promise_monitor_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_