cc: Switch RenderingStats collection in Layer::Update() to RenderingStatsInstrumentation

cc/resources/picture_pile.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 <algorithm>
 
 #include "cc/base/region.h"
 #include "cc/resources/picture_pile.h"
 #include "cc/resources/picture_pile_impl.h"
 
@@ skipping 16 matching lines @@
 }
 
 PicturePile::~PicturePile() {
 }
 
 void PicturePile::Update(
     ContentLayerClient* painter,
     SkColor background_color,
     const Region& invalidation,
     gfx::Rect visible_layer_rect,
-    RenderingStats* stats) {
+    RenderingStatsInstrumentation* stats_instrumentation) {
   background_color_ = background_color;
 
   gfx::Rect interest_rect = visible_layer_rect;
   interest_rect.Inset(
       -kPixelDistanceToRecord,
       -kPixelDistanceToRecord,
       -kPixelDistanceToRecord,
       -kPixelDistanceToRecord);
   for (Region::Iterator i(invalidation); i.has_rect(); i.next()) {
     // Inflate all recordings from invalidations with a margin so that when
@@ skipping 46 matching lines @@
         -buffer_pixels(),
         -buffer_pixels(),
         -buffer_pixels());
       scoped_refptr<Picture> base_picture = Picture::Create(tile);
       pic_list.push_back(base_picture);
     }
 
     for (PictureList::iterator pic = pic_list.begin();
          pic != pic_list.end(); ++pic) {
       if (!(*pic)->HasRecording()) {
-        (*pic)->Record(painter, stats, tile_grid_info_);
+        (*pic)->Record(painter, stats_instrumentation, tile_grid_info_);
         (*pic)->CloneForDrawing(num_raster_threads_);
       }
     }
   }
 
   UpdateRecordedRegion();
 }
 
 class FullyContainedPredicate {
  public:
@@ skipping 34 matching lines @@
 
   FullyContainedPredicate pred(picture_rect);
   picture_list.erase(std::remove_if(picture_list.begin(),
                                     picture_list.end(),
                                     pred),
                      picture_list.end());
   picture_list.push_back(Picture::Create(picture_rect));
 }
 
 }  // namespace cc