Revert of cc: Remove tile and scale specific code from raster source

cc/resources/picture_pile.h

 // Copyright 2012 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_PICTURE_PILE_H_
 #define CC_RESOURCES_PICTURE_PILE_H_
 
 #include <bitset>
 #include <utility>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "cc/base/tiling_data.h"
 #include "cc/resources/recording_source.h"
 
 namespace cc {
 class PicturePileImpl;
-class LayerTreeSettings;
 
 class CC_EXPORT PicturePile : public RecordingSource {
  public:
-  PicturePile(float min_contents_scale, const gfx::Size& tile_grid_size);
+  PicturePile();
   ~PicturePile() override;
 
   // RecordingSource overrides.
   bool UpdateAndExpandInvalidation(
       ContentLayerClient* painter,
       Region* invalidation,
       bool can_use_lcd_text,
       const gfx::Size& layer_size,
       const gfx::Rect& visible_layer_rect,
       int frame_number,
       Picture::RecordingMode recording_mode) override;
   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;
 
   static void ComputeTileGridInfo(const gfx::Size& tile_grid_size,
                                   SkTileGridFactory::TileGridInfo* info);
 
  protected:
   class CC_EXPORT PictureInfo {
    public:
     enum { INVALIDATION_FRAMES_TRACKED = 32 };
@@ skipping 21 matching lines @@
 
   typedef std::pair<int, int> PictureMapKey;
   typedef base::hash_map<PictureMapKey, PictureInfo> PictureMap;
 
   // An internal CanRaster check that goes to the picture_map rather than
   // using the recorded_viewport hint.
   bool CanRasterSlowTileCheck(const gfx::Rect& layer_rect) const;
 
   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;
 
   int buffer_pixels() const { return tiling_.border_texels(); }
 
   // A picture pile is a tiled set of pictures. The picture map is a map of tile
   // indices to picture infos.
   PictureMap picture_map_;
   TilingData tiling_;
 
@@ skipping 32 matching lines @@
   void SetBufferPixels(int buffer_pixels);
 
   bool is_suitable_for_gpu_rasterization_;
 
   DISALLOW_COPY_AND_ASSIGN(PicturePile);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_PICTURE_PILE_H_