cc: Stop passing the occlusion explicitly to AppendQuads.

cc/test/fake_picture_layer_impl.h

 // Copyright 2013 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_FAKE_PICTURE_LAYER_IMPL_H_
 #define CC_TEST_FAKE_PICTURE_LAYER_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/layers/picture_layer_impl.h"
 
@@ skipping 35 matching lines @@
       int id,
       scoped_refptr<RasterSource> raster_source) {
     bool is_mask = true;
     return make_scoped_ptr(
         new FakePictureLayerImpl(tree_impl, id, raster_source, is_mask));
   }
 
   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
   void PushPropertiesTo(LayerImpl* layer_impl) override;
   void AppendQuads(RenderPass* render_pass,
-                   const Occlusion& occlusion_in_content_space,
                    AppendQuadsData* append_quads_data) override;
   gfx::Size CalculateTileSize(const gfx::Size& content_bounds) const override;
 
   void DidBecomeActive() override;
   size_t did_become_active_call_count() {
     return did_become_active_call_count_;
   }
 
   bool HasValidTilePriorities() const override;
   void set_has_valid_tile_priorities(bool has_valid_priorities) {
@@ skipping 96 matching lines @@
   size_t append_quads_count_;
   size_t did_become_active_call_count_;
   bool has_valid_tile_priorities_;
   bool use_set_valid_tile_priorities_flag_;
   size_t release_resources_count_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_LAYER_IMPL_H_