cc: Stop passing the occlusion explicitly to AppendQuads.

cc/layers/solid_color_layer_impl.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_SOLID_COLOR_LAYER_IMPL_H_
 #define CC_LAYERS_SOLID_COLOR_LAYER_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 12 matching lines @@
                                SharedQuadState* shared_quad_state,
                                const gfx::Rect& visible_content_rect,
                                SkColor color,
                                AppendQuadsData* append_quads_data);
 
   ~SolidColorLayerImpl() override;
 
   // LayerImpl overrides.
   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
   void AppendQuads(RenderPass* render_pass,
-                   const Occlusion& occlusion_in_content_space,
                    AppendQuadsData* append_quads_data) override;
 
  protected:
   SolidColorLayerImpl(LayerTreeImpl* tree_impl, int id);
 
  private:
   const char* LayerTypeAsString() const override;
 
   DISALLOW_COPY_AND_ASSIGN(SolidColorLayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_SOLID_COLOR_LAYER_IMPL_H_