Fixing tile grid size used by cc:Picture to make it respect current tile configuration

cc/picture_pile_base.h

Index: cc/picture_pile_base.h
diff --git a/cc/picture_pile_base.h b/cc/picture_pile_base.h
index ea8745c7bb11305a901dba6ed2d06393f39351ac..aea947765280bb428e6bd69c890f0d9e2ce19843 100644
--- a/cc/picture_pile_base.h
+++ b/cc/picture_pile_base.h
@@ -37,6 +37,8 @@ class CC_EXPORT PicturePileBase : public base::RefCounted<PicturePileBase> {
   bool HasRecordingAt(int x, int y);
   bool CanRaster(float contents_scale, gfx::Rect content_rect);
 
+  void SetTileGridSize(const gfx::Size& tile_grid_size);
+
  protected:
   virtual ~PicturePileBase();
 
@@ -53,6 +55,7 @@ class CC_EXPORT PicturePileBase : public base::RefCounted<PicturePileBase> {
   TilingData tiling_;
   Region recorded_region_;
   float min_contents_scale_;
+  SkTileGridPicture::TileGridInfo tile_grid_info_;
 
  private:
   void SetBufferPixels(int buffer_pixels);