Add PictureLayerTiling pointer to Tile

cc/tiles/tile.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_TILES_TILE_H_
 #define CC_TILES_TILE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "cc/raster/tile_task.h"
 #include "cc/tiles/tile_draw_info.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace cc {
 
+class PictureLayerTiling;
 class TileManager;
 
 class CC_EXPORT Tile {
  public:
   class CC_EXPORT Deleter {
    public:
     void operator()(Tile* tile) const;
   };
 
   class CC_EXPORT CreateInfo {
    public:
+    const PictureLayerTiling* tiling;
     int tiling_i_index;
     int tiling_j_index;
     gfx::Rect enclosing_layer_rect;
     gfx::Rect content_rect;
     gfx::SizeF raster_scales;
 
-    CreateInfo(int tiling_i_index,
+    CreateInfo(const PictureLayerTiling* tiling,
+               int tiling_i_index,
                int tiling_j_index,
                const gfx::Rect& enclosing_layer_rect,
                const gfx::Rect& content_rect,
                const gfx::SizeF& raster_scales)
-        : tiling_i_index(tiling_i_index),
+        : tiling(tiling),
+          tiling_i_index(tiling_i_index),
           tiling_j_index(tiling_j_index),
           enclosing_layer_rect(enclosing_layer_rect),
           content_rect(content_rect),
           raster_scales(raster_scales) {}
   };
 
   enum TileRasterFlags { USE_PICTURE_ANALYSIS = 1 << 0, IS_OPAQUE = 1 << 1 };
 
   typedef uint64_t Id;
 
@@ skipping 53 matching lines @@
 
   bool HasRasterTask() const { return !!raster_task_.get(); }
 
   void set_solid_color_analysis_performed(bool performed) {
     is_solid_color_analysis_performed_ = performed;
   }
   bool is_solid_color_analysis_performed() const {
     return is_solid_color_analysis_performed_;
   }
 
+  const PictureLayerTiling* tiling() const { return tiling_; }
+  void set_tiling(const PictureLayerTiling* tiling) { tiling_ = tiling; }
+
  private:
   friend class TileManager;
   friend class FakeTileManager;
   friend class FakePictureLayerImpl;
 
   // Methods called by by tile manager.
   Tile(TileManager* tile_manager,
        const CreateInfo& info,
        int layer_id,
        int source_frame_number,
        int flags);
   ~Tile();
 
   TileManager* const tile_manager_;
+  const PictureLayerTiling* tiling_;
   const gfx::Rect content_rect_;
   const gfx::Rect enclosing_layer_rect_;
   const gfx::SizeF raster_scales_;
 
   TileDrawInfo draw_info_;
 
   const int layer_id_;
   const int source_frame_number_;
   const int flags_;
   const int tiling_i_index_;
@@ skipping 14 matching lines @@
   scoped_refptr<TileTask> raster_task_;
 
   DISALLOW_COPY_AND_ASSIGN(Tile);
 };
 
 using ScopedTilePtr = std::unique_ptr<Tile, Tile::Deleter>;
 
 }  // namespace cc
 
 #endif  // CC_TILES_TILE_H_