Remove parts of //cc we aren't using

cc/resources/bitmap_skpicture_content_layer_updater.h

-// 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.
-
-#ifndef CC_RESOURCES_BITMAP_SKPICTURE_CONTENT_LAYER_UPDATER_H_
-#define CC_RESOURCES_BITMAP_SKPICTURE_CONTENT_LAYER_UPDATER_H_
-
-#include "cc/resources/skpicture_content_layer_updater.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-
-namespace cc {
-
-// This class records the content_rect into an SkPicture, then software
-// rasterizes the SkPicture into bitmaps for each tile. This implements
-// LayerTreeSettingSettings::per_tile_painting_enabled.
-class BitmapSkPictureContentLayerUpdater : public SkPictureContentLayerUpdater {
- public:
-  class Resource : public ContentLayerUpdater::Resource {
-   public:
-    Resource(BitmapSkPictureContentLayerUpdater* updater,
-             scoped_ptr<PrioritizedResource> texture);
-
-    void Update(ResourceUpdateQueue* queue,
-                const gfx::Rect& source_rect,
-                const gfx::Vector2d& dest_offset,
-                bool partial_update) override;
-
-   private:
-    SkBitmap bitmap_;
-    BitmapSkPictureContentLayerUpdater* updater_;
-
-    DISALLOW_COPY_AND_ASSIGN(Resource);
-  };
-
-  static scoped_refptr<BitmapSkPictureContentLayerUpdater> Create(
-      scoped_ptr<LayerPainter> painter,
-      RenderingStatsInstrumentation* stats_instrumentation,
-      int layer_id);
-
-  scoped_ptr<LayerUpdater::Resource> CreateResource(
-      PrioritizedResourceManager* manager) override;
-  void PaintContentsRect(SkCanvas* canvas,
-                         const gfx::Rect& source_rect);
-
- private:
-  BitmapSkPictureContentLayerUpdater(
-      scoped_ptr<LayerPainter> painter,
-      RenderingStatsInstrumentation* stats_instrumentation,
-      int layer_id);
-  ~BitmapSkPictureContentLayerUpdater() override;
-
-  DISALLOW_COPY_AND_ASSIGN(BitmapSkPictureContentLayerUpdater);
-};
-
-}  // namespace cc
-
-#endif  // CC_RESOURCES_BITMAP_SKPICTURE_CONTENT_LAYER_UPDATER_H_