cc: Stop passing the occlusion explicitly to AppendQuads.

cc/trees/layer_tree_host_unittest.cc

 // Copyright 2011 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.
 
 #include "cc/trees/layer_tree_host.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/synchronization/lock.h"
@@ skipping 1779 matching lines @@
 
 class EvictionTestLayerImpl : public LayerImpl {
  public:
   static scoped_ptr<EvictionTestLayerImpl> Create(LayerTreeImpl* tree_impl,
                                                   int id) {
     return make_scoped_ptr(new EvictionTestLayerImpl(tree_impl, id));
   }
   ~EvictionTestLayerImpl() override {}
 
   void AppendQuads(RenderPass* render_pass,
-                   const Occlusion& occlusion_in_content_space,
                    AppendQuadsData* append_quads_data) override {
     ASSERT_TRUE(has_texture_);
     ASSERT_NE(0u, layer_tree_impl()->resource_provider()->num_resources());
   }
 
   void SetHasTexture(bool has_texture) { has_texture_ = has_texture; }
 
  private:
   EvictionTestLayerImpl(LayerTreeImpl* tree_impl, int id)
       : LayerImpl(tree_impl, id), has_texture_(false) {}
@@ skipping 4502 matching lines @@
 
   void AfterTest() override { EXPECT_TRUE(did_commit_); }
 
  private:
   bool did_commit_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestNoTasksBetweenWillAndDidCommit);
 
 }  // namespace cc