Remove parts of //cc we aren't using

cc/test/fake_content_layer.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_FAKE_CONTENT_LAYER_H_
-#define CC_TEST_FAKE_CONTENT_LAYER_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/layers/content_layer.h"
-
-namespace cc {
-
-class FakeContentLayer : public ContentLayer {
- public:
-  static scoped_refptr<FakeContentLayer> Create(ContentLayerClient* client) {
-    return make_scoped_refptr(new FakeContentLayer(client));
-  }
-
-  scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
-
-  size_t update_count() const { return update_count_; }
-  void reset_update_count() { update_count_ = 0; }
-
-  size_t push_properties_count() const { return push_properties_count_; }
-  void reset_push_properties_count() { push_properties_count_ = 0; }
-
-  bool Update(ResourceUpdateQueue* queue,
-              const OcclusionTracker<Layer>* occlusion) override;
-
-  gfx::Rect LastPaintRect() const;
-
-  void set_always_update_resources(bool always_update_resources) {
-    always_update_resources_ = always_update_resources;
-  }
-
-  void PushPropertiesTo(LayerImpl* layer) override;
-
-  void OnOutputSurfaceCreated() override;
-  size_t output_surface_created_count() const {
-    return output_surface_created_count_;
-  }
-
-  bool HaveBackingAt(int i, int j);
-
- private:
-  explicit FakeContentLayer(ContentLayerClient* client);
-  ~FakeContentLayer() override;
-
-  size_t update_count_;
-  size_t push_properties_count_;
-  size_t output_surface_created_count_;
-  bool always_update_resources_;
-};
-
-}  // namespace cc
-
-#endif  // CC_TEST_FAKE_CONTENT_LAYER_H_