cc: Remove tile and scale specific code from raster source

cc/resources/picture_pile.h

Index: cc/resources/picture_pile.h
diff --git a/cc/resources/picture_pile.h b/cc/resources/picture_pile.h
index fd1c4540dc2a785f5c8087d22fac429c6d0216d0..dd0f1c1740f3c4ca76eeff0b1c815ed7e7d6c65d 100644
--- a/cc/resources/picture_pile.h
+++ b/cc/resources/picture_pile.h
@@ -16,10 +16,11 @@
 
 namespace cc {
 class PicturePileImpl;
+class LayerTreeSettings;
 
 class CC_EXPORT PicturePile : public RecordingSource {
  public:
-  PicturePile();
+  PicturePile(double min_content_scale, const gfx::Size& tile_grid_size);

[vmpstr, 2015/01/02 19:43:05]

nit: min_contents_scale

   ~PicturePile() override;
 
   // RecordingSource overrides.
@@ -34,10 +35,8 @@ class CC_EXPORT PicturePile : public RecordingSource {
   scoped_refptr<RasterSource> CreateRasterSource() const override;
   gfx::Size GetSize() const final;
   void SetEmptyBounds() override;
-  void SetMinContentsScale(float min_contents_scale) override;
   void SetSlowdownRasterScaleFactor(int factor) override;
   bool IsSuitableForGpuRasterization() const override;
-  void SetTileGridSize(const gfx::Size& tile_grid_size) override;
   void SetUnsuitableForGpuRasterizationForTesting() override;
   SkTileGridFactory::TileGridInfo GetTileGridInfoForTesting() const override;
 
@@ -79,6 +78,9 @@ class CC_EXPORT PicturePile : public RecordingSource {
 
   void Clear();
 
+  void SetMinContentsScale(float min_contents_scale);
+  void SetTileGridSize(const gfx::Size& tile_grid_size);
+
   gfx::Rect PaddedRect(const PictureMapKey& key) const;
   gfx::Rect PadRect(const gfx::Rect& rect) const;