cc: Remove legacy accelerated painting path

cc/resources/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_SKPICTURE_CONTENT_LAYER_UPDATER_H_
 #define CC_RESOURCES_SKPICTURE_CONTENT_LAYER_UPDATER_H_
 
 #include "cc/resources/content_layer_updater.h"
 #include "third_party/skia/include/core/SkPicture.h"
 
 class SkCanvas;
 
 namespace cc {
 
 class LayerPainter;
 
 // This class records the content_rect into an SkPicture. Subclasses, provide
 // different implementations of tile updating based on this recorded picture.
 // The BitmapSkPictureContentLayerUpdater and
 // FrameBufferSkPictureContentLayerUpdater are two examples of such
 // implementations.
 class SkPictureContentLayerUpdater : public ContentLayerUpdater {
  public:
-  class Resource : public LayerUpdater::Resource {
-   public:
-    Resource(SkPictureContentLayerUpdater* updater,
-             scoped_ptr<PrioritizedResource> texture);
-    virtual ~Resource();
-
-    virtual void Update(ResourceUpdateQueue* queue,
-                        gfx::Rect source_rect,
-                        gfx::Vector2d dest_offset,
-                        bool partial_update,
-                        RenderingStats* stats) OVERRIDE;
-
-   private:
-    SkPictureContentLayerUpdater* updater_;
-
-    DISALLOW_COPY_AND_ASSIGN(Resource);
-  };
-
-  static scoped_refptr<SkPictureContentLayerUpdater> Create(
-      scoped_ptr<LayerPainter> painter,
-      RenderingStatsInstrumentation* stats_instrumentation,
-      int layer_id);
-
-  virtual scoped_ptr<LayerUpdater::Resource> CreateResource(
-      PrioritizedResourceManager* manager) OVERRIDE;
   virtual void SetOpaque(bool opaque) OVERRIDE;
 
  protected:
   SkPictureContentLayerUpdater(
       scoped_ptr<LayerPainter> painter,
       RenderingStatsInstrumentation* stats_instrumentation,
       int layer_id);
   virtual ~SkPictureContentLayerUpdater();
 
   virtual void PrepareToUpdate(gfx::Rect content_rect,
                                gfx::Size tile_size,
                                float contents_width_scale,
                                float contents_height_scale,
                                gfx::Rect* resulting_opaque_rect,
                                RenderingStats* stats) OVERRIDE;
   void DrawPicture(SkCanvas* canvas);
-  void UpdateTexture(ResourceUpdateQueue* queue,
-                     PrioritizedResource* texture,
-                     gfx::Rect source_rect,
-                     gfx::Vector2d dest_offset,
-                     bool partial_update);
 
   bool layer_is_opaque() const { return layer_is_opaque_; }
 
  private:
   // Recording canvas.
   SkPicture picture_;
   // True when it is known that all output pixels will be opaque.
   bool layer_is_opaque_;
 
   DISALLOW_COPY_AND_ASSIGN(SkPictureContentLayerUpdater);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_SKPICTURE_CONTENT_LAYER_UPDATER_H_