cc: Plumb more details about pixel refs to tile manager.

cc/playback/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_PLAYBACK_RASTER_SOURCE_H_
 #define CC_PLAYBACK_RASTER_SOURCE_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "cc/base/cc_export.h"
 #include "cc/debug/traced_value.h"
+#include "skia/ext/pixel_ref_utils.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkPixelRef.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 class SkCanvas;
 class SkPicture;
 
 namespace cc {
@@ skipping 41 matching lines @@
 
   // Returns the color of the raster source if it is solid color. The results
   // are unspecified if IsSolidColor returns false.
   virtual SkColor GetSolidColor() const = 0;
 
   // Returns the size of this raster source.
   virtual gfx::Size GetSize() const = 0;
 
   // Populate the given list with all SkPixelRefs that may overlap the given
   // rect at given scale.
-  virtual void GatherPixelRefs(const gfx::Rect& content_rect,
-                               float contents_scale,
-                               std::vector<SkPixelRef*>* pixel_refs) const = 0;
+  virtual void GatherPixelRefs(
+      const gfx::Rect& content_rect,
+      float contents_scale,
+      std::vector<skia::PositionPixelRef>* pixel_refs) const = 0;
 
   // Return true iff this raster source can raster the given rect at given
   // scale.
   virtual bool CoversRect(const gfx::Rect& content_rect,
                           float contents_scale) const = 0;
 
   // Returns true if this raster source has anything to rasterize.
   virtual bool HasRecordings() const = 0;
 
   // Informs the raster source that it should attempt to use distance field text
@@ skipping 21 matching lines @@
   RasterSource() {}
   virtual ~RasterSource() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RasterSource);
 };
 
 }  // namespace cc
 
 #endif  // CC_PLAYBACK_RASTER_SOURCE_H_