cc: Get rid of rasterizer delegate.

cc/resources/rasterizer_delegate.h

-// Copyright 2014 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_RESOURCES_RASTERIZER_DELEGATE_H_
-#define CC_RESOURCES_RASTERIZER_DELEGATE_H_
-
-#include <vector>
-
-#include "cc/resources/rasterizer.h"
-
-namespace cc {
-
-class RasterizerDelegate : public RasterizerClient {
- public:
-  virtual ~RasterizerDelegate();
-
-  static scoped_ptr<RasterizerDelegate> Create(RasterizerClient* client,
-                                               Rasterizer** rasterizers,
-                                               size_t num_rasterizers);
-
-  void SetClient(RasterizerClient* client);
-  void Shutdown();
-  void ScheduleTasks(RasterTaskQueue* queue);
-  void CheckForCompletedTasks();
-
-  // Overriden from RasterizerClient:
-  virtual bool ShouldForceTasksRequiredForActivationToComplete() const OVERRIDE;
-  virtual void DidFinishRunningTasks() OVERRIDE;
-  virtual void DidFinishRunningTasksRequiredForActivation() OVERRIDE;
-
- private:
-  RasterizerDelegate(RasterizerClient* client,
-                     Rasterizer** rasterizers,
-                     size_t num_rasterizers);
-
-  RasterizerClient* client_;
-  typedef std::vector<Rasterizer*> RasterizerVector;
-  RasterizerVector rasterizers_;
-  size_t did_finish_running_tasks_pending_count_;
-  size_t did_finish_running_tasks_required_for_activation_pending_count_;
-};
-
-}  // namespace cc
-
-#endif  // CC_RESOURCES_RASTERIZER_DELEGATE_H_