Remove parts of //cc we aren't using

cc/layers/delegated_renderer_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_LAYERS_DELEGATED_RENDERER_LAYER_H_
-#define CC_LAYERS_DELEGATED_RENDERER_LAYER_H_
-
-#include "base/containers/hash_tables.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/synchronization/lock.h"
-#include "cc/base/cc_export.h"
-#include "cc/layers/delegated_frame_provider.h"
-#include "cc/layers/layer.h"
-#include "cc/resources/returned_resource.h"
-
-namespace cc {
-
-class CC_EXPORT DelegatedRendererLayer : public Layer {
- public:
-  static scoped_refptr<DelegatedRendererLayer> Create(
-      const scoped_refptr<DelegatedFrameProvider>& frame_provider);
-
-  scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
-  void SetLayerTreeHost(LayerTreeHost* host) override;
-  bool Update(ResourceUpdateQueue* queue,
-              const OcclusionTracker<Layer>* occlusion) override;
-  void PushPropertiesTo(LayerImpl* impl) override;
-
-  // Called by the DelegatedFrameProvider when a new frame is available to be
-  // picked up.
-  void ProviderHasNewFrame();
-  bool HasDelegatedContent() const override;
-
- protected:
-  DelegatedRendererLayer(
-      const scoped_refptr<DelegatedFrameProvider>& frame_provider);
-  ~DelegatedRendererLayer() override;
-
- private:
-  scoped_refptr<DelegatedFrameProvider> frame_provider_;
-
-  bool should_collect_new_frame_;
-
-  DelegatedFrameData* frame_data_;
-  gfx::RectF frame_damage_;
-
-  base::WeakPtrFactory<DelegatedRendererLayer> weak_ptrs_;
-
-  DISALLOW_COPY_AND_ASSIGN(DelegatedRendererLayer);
-};
-
-}  // namespace cc
-
-#endif  // CC_LAYERS_DELEGATED_RENDERER_LAYER_H_