Removed QuadSink and MockQuadCuller

cc/layers/quad_sink.h

-// 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.
-
-#ifndef CC_LAYERS_QUAD_SINK_H_
-#define CC_LAYERS_QUAD_SINK_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
-
-namespace gfx {
-class Rect;
-class Transform;
-}
-
-namespace cc {
-
-class DrawQuad;
-class LayerImpl;
-class RenderPass;
-class RenderSurfaceImpl;
-class SharedQuadState;
-template <typename LayerType>
-class OcclusionTracker;
-
-class CC_EXPORT QuadSink {
- public:
-  QuadSink(RenderPass* render_pass,
-           const OcclusionTracker<LayerImpl>* occlusion_tracker);
-  ~QuadSink() {}
-
-  // Call this to add a SharedQuadState before appending quads that refer to it.
-  // Returns a pointer to the given SharedQuadState, that can be set on the
-  // quads to append.
-  virtual SharedQuadState* CreateSharedQuadState();
-
-  virtual gfx::Rect UnoccludedContentRect(const LayerImpl* layer,
-                                          const gfx::Rect& content_rect,
-                                          const gfx::Transform& draw_transform);
-
-  virtual gfx::Rect UnoccludedContributingSurfaceContentRect(
-      const LayerImpl* layer,
-      const gfx::Rect& content_rect,
-      const gfx::Transform& draw_transform);
-
-  virtual void Append(scoped_ptr<DrawQuad> draw_quad);
-
- protected:
-  RenderPass* render_pass_;
-
-  SharedQuadState* current_shared_quad_state_;
-
- private:
-  const OcclusionTracker<LayerImpl>* occlusion_tracker_;
-
-  DISALLOW_COPY_AND_ASSIGN(QuadSink);
-};
-
-}  // namespace cc
-
-#endif  // CC_LAYERS_QUAD_SINK_H_