Remove parts of //cc we aren't using

cc/resources/image_layer_updater.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_RESOURCES_IMAGE_LAYER_UPDATER_H_
-#define CC_RESOURCES_IMAGE_LAYER_UPDATER_H_
-
-#include "cc/base/cc_export.h"
-#include "cc/resources/layer_updater.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-
-namespace cc {
-
-class ResourceUpdateQueue;
-
-class CC_EXPORT ImageLayerUpdater : public LayerUpdater {
- public:
-  class Resource : public LayerUpdater::Resource {
-   public:
-    Resource(ImageLayerUpdater* updater,
-             scoped_ptr<PrioritizedResource> texture);
-    ~Resource() override;
-
-    void Update(ResourceUpdateQueue* queue,
-                const gfx::Rect& source_rect,
-                const gfx::Vector2d& dest_offset,
-                bool partial_update) override;
-
-   private:
-    ImageLayerUpdater* updater_;
-
-    DISALLOW_COPY_AND_ASSIGN(Resource);
-  };
-
-  static scoped_refptr<ImageLayerUpdater> Create();
-
-  scoped_ptr<LayerUpdater::Resource> CreateResource(
-      PrioritizedResourceManager*) override;
-
-  void UpdateTexture(ResourceUpdateQueue* queue,
-                     PrioritizedResource* texture,
-                     const gfx::Rect& source_rect,
-                     const gfx::Vector2d& dest_offset,
-                     bool partial_update);
-
-  void SetBitmap(const SkBitmap& bitmap);
-  bool UsingBitmap(const SkBitmap& bitmap) const;
-
- private:
-  ImageLayerUpdater() {}
-  ~ImageLayerUpdater() override {}
-
-  SkBitmap bitmap_;
-
-  DISALLOW_COPY_AND_ASSIGN(ImageLayerUpdater);
-};
-
-}  // namespace cc
-
-#endif  // CC_RESOURCES_IMAGE_LAYER_UPDATER_H_