cc: Remove DelegatingRendererLayerClient

cc/test/fake_delegated_renderer_layer.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_DELEGATED_RENDERER_LAYER_H_
 #define CC_TEST_FAKE_DELEGATED_RENDERER_LAYER_H_
 
 #include "cc/layers/delegated_renderer_layer.h"
 
 namespace cc {
 
 class FakeDelegatedRendererLayer : public DelegatedRendererLayer {
  public:
   static scoped_refptr<FakeDelegatedRendererLayer> Create(
-      DelegatedRendererLayerClient* client,
       DelegatedFrameProvider* frame_provider) {
     return make_scoped_refptr(
-        new FakeDelegatedRendererLayer(client, frame_provider));
+        new FakeDelegatedRendererLayer(frame_provider));
   }
 
   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
       OVERRIDE;
 
  protected:
-  explicit FakeDelegatedRendererLayer(DelegatedRendererLayerClient* client,
-                                      DelegatedFrameProvider* frame_provider);
+  explicit FakeDelegatedRendererLayer(DelegatedFrameProvider* frame_provider);
   virtual ~FakeDelegatedRendererLayer();
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_DELEGATED_RENDERER_LAYER_H_