Remove const LayerImpl* from QuadSink

cc/test/mock_quad_culler.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_TEST_MOCK_QUAD_CULLER_H_
 #define CC_TEST_MOCK_QUAD_CULLER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/layers/quad_sink.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/quads/render_pass.h"
 #include "cc/test/mock_occlusion_tracker.h"
 
 namespace cc {
 class LayerImpl;
 
 class MockQuadCuller : public QuadSink {
  public:
   virtual ~MockQuadCuller();
 
   MockQuadCuller(RenderPass* render_pass,
                  MockOcclusionTracker<LayerImpl>* occlusion_tracker);
 
   virtual gfx::Rect UnoccludedContentRect(
+      const LayerImpl* layer,
       const gfx::Rect& content_rect,
       const gfx::Transform& draw_transform) OVERRIDE;
 
   virtual gfx::Rect UnoccludedContributingSurfaceContentRect(
+      const LayerImpl* layer,
       const gfx::Rect& content_rect,
       const gfx::Transform& draw_transform) OVERRIDE;
 
   const QuadList& quad_list() const { return render_pass_->quad_list; }
   const SharedQuadStateList& shared_quad_state_list() const {
     return render_pass_->shared_quad_state_list;
   }
 
   void set_occluded_target_rect(const gfx::Rect& occluded) {
     occlusion_tracker_->set_occluded_target_rect(occluded);
   }
 
   void set_occluded_target_rect_for_contributing_surface(
       const gfx::Rect& occluded) {
     occlusion_tracker_->set_occluded_target_rect_for_contributing_surface(
         occluded);
   }
 
-  void set_layer(const LayerImpl* layer) { layer_ = layer; }
-
   void clear_lists() {
     render_pass_->quad_list.clear();
     render_pass_->shared_quad_state_list.clear();
   }
 
  private:
   MockOcclusionTracker<LayerImpl>* occlusion_tracker_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_MOCK_QUAD_CULLER_H_