cc: Remove the base RasterSource

cc/playback/display_list_recording_source.h

 // Copyright 2014 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_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_
 #define CC_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace cc {
 class ContentLayerClient;
 class DisplayItemList;
 class DisplayListRasterSource;
-class RasterSource;
 class Region;
 
 class CC_EXPORT DisplayListRecordingSource {
  public:
   // TODO(schenney) Remove RECORD_WITH_SK_NULL_CANVAS when we no longer
   // support a non-Slimming Paint path.
   enum RecordingMode {
     RECORD_NORMALLY,
     RECORD_WITH_SK_NULL_CANVAS,
     RECORD_WITH_PAINTING_DISABLED,
@@ skipping 12 matching lines @@
                                    int frame_number,
                                    RecordingMode recording_mode);
   gfx::Size GetSize() const;
   void SetEmptyBounds();
   void SetSlowdownRasterScaleFactor(int factor);
   void SetGenerateDiscardableImagesMetadata(bool generate_metadata);
   void SetBackgroundColor(SkColor background_color);
   void SetRequiresClear(bool requires_clear);
 
   // These functions are virtual for testing.
-  virtual scoped_refptr<RasterSource> CreateRasterSource(
+  virtual scoped_refptr<DisplayListRasterSource> CreateRasterSource(
       bool can_use_lcd_text) const;
   virtual bool IsSuitableForGpuRasterization() const;
 
   // Returns true if the new recorded viewport exposes enough new area to be
   // worth re-recording.
   static bool ExposesEnoughNewArea(
       const gfx::Rect& current_recorded_viewport,
       const gfx::Rect& potential_new_recorded_viewport,
       const gfx::Size& layer_size);
 
@@ skipping 20 matching lines @@
   friend class DisplayListRasterSource;
 
   void DetermineIfSolidColor();
 
   DISALLOW_COPY_AND_ASSIGN(DisplayListRecordingSource);
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_