cc:: Add RenderingStatsInstrumentation to manage collection of RenderingStats

cc/raster_worker_pool.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/raster_worker_pool.h"
 
 #include "cc/picture_pile_impl.h"
 
 namespace cc {
 
@@ skipping 11 matching lines @@
         task_(task) {
     DCHECK(picture_pile_);
   }
 
   virtual bool IsCheap() OVERRIDE { return is_cheap_; }
 
   virtual void WillRunOnThread(unsigned thread_index) OVERRIDE {
     picture_pile_ = picture_pile_->GetCloneForDrawingOnThread(thread_index);
   }
 
-  virtual void Run(RenderingStats* rendering_stats) OVERRIDE {
-    task_.Run(picture_pile_.get(), rendering_stats);
+  virtual void Run() OVERRIDE {
+    task_.Run(picture_pile_.get());
   }
 
  private:
   scoped_refptr<PicturePileImpl> picture_pile_;
   bool is_cheap_;
   RasterWorkerPool::RasterCallback task_;
 };
 
 const char* kWorkerThreadNamePrefix = "CompositorRaster";
 
@@ skipping 17 matching lines @@
                                               const RasterCallback& task,
                                               const base::Closure& reply) {
   PostTask(make_scoped_ptr(new RasterWorkerPoolTaskImpl(
                                picture_pile,
                                is_cheap,
                                task,
                                reply)).PassAs<internal::WorkerPoolTask>());
 }
 
 }  // namespace cc