cc: Partial tile update for one-copy raster.

cc/resources/display_list_raster_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_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_
 #define CC_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
 #include "cc/debug/rendering_stats_instrumentation.h"
 #include "cc/resources/display_list_recording_source.h"
 #include "cc/resources/raster_source.h"
 #include "skia/ext/analysis_canvas.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkPicture.h"
 
 namespace cc {
 class DisplayItemList;
 
 class CC_EXPORT DisplayListRasterSource : public RasterSource {
  public:
   static scoped_refptr<DisplayListRasterSource>
   CreateFromDisplayListRecordingSource(const DisplayListRecordingSource* other,
                                        bool can_use_lcd_text);
 
   // RasterSource overrides.
   void PlaybackToCanvas(SkCanvas* canvas,
-                        const gfx::Rect& canvas_rect,
+                        const gfx::Rect& canvas_bitmap_rect,
+                        const gfx::Rect& canvas_playback_rect,
                         float contents_scale) const override;
   void PlaybackToSharedCanvas(SkCanvas* canvas,
                               const gfx::Rect& canvas_rect,
                               float contents_scale) const override;
   void PerformSolidColorAnalysis(
       const gfx::Rect& content_rect,
       float contents_scale,
       RasterSource::SolidColorAnalysis* analysis) const override;
   bool IsSolidColor() const override;
   SkColor GetSolidColor() const override;
@@ skipping 39 matching lines @@
 
  private:
   // Called when analyzing a tile. We can use AnalysisCanvas as
   // SkDrawPictureCallback, which allows us to early out from analysis.
   void RasterForAnalysis(skia::AnalysisCanvas* canvas,
                          const gfx::Rect& canvas_rect,
                          float contents_scale) const;
 
   void RasterCommon(SkCanvas* canvas,
                     SkDrawPictureCallback* callback,
-                    const gfx::Rect& canvas_rect,
+                    const gfx::Rect& canvas_bitmap_rect,
+                    const gfx::Rect& canvas_playback_rect,
                     float contents_scale) const;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayListRasterSource);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_