cc: Fix up code to work with concrete cc paint types

cc/test/fake_raster_source.h

 // Copyright 2015 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_TEST_FAKE_RASTER_SOURCE_H_
 #define CC_TEST_FAKE_RASTER_SOURCE_H_
 
 #include "base/memory/ref_counted.h"
-#include "cc/paint/paint_canvas.h"
 #include "cc/playback/raster_source.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace base {
 class WaitableEvent;
 }
 
 namespace cc {
 
@@ skipping 11 matching lines @@
       const gfx::Rect& recorded_viewport);
   static scoped_refptr<FakeRasterSource> CreateEmpty(const gfx::Size& size);
   static scoped_refptr<FakeRasterSource> CreateFromRecordingSource(
       const RecordingSource* recording_source,
       bool can_use_lcd);
   static scoped_refptr<FakeRasterSource> CreateFromRecordingSourceWithWaitable(
       const RecordingSource* recording_source,
       bool can_use_lcd,
       base::WaitableEvent* playback_allowed_event);
 
-  void PlaybackToCanvas(PaintCanvas* canvas,
+  void PlaybackToCanvas(SkCanvas* canvas,
                         const PlaybackSettings& settings) const override;
 
  protected:
   FakeRasterSource(const RecordingSource* recording_source, bool can_use_lcd);
   FakeRasterSource(const RecordingSource* recording_source,
                    bool can_use_lcd,
                    base::WaitableEvent* playback_allowed_event);
   ~FakeRasterSource() override;
 
  private:
   base::WaitableEvent* playback_allowed_event_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_RASTER_SOURCE_H_