Update from https://crrev.com/304121

cc/test/fake_picture_pile_impl.h

Index: cc/test/fake_picture_pile_impl.h
diff --git a/cc/test/fake_picture_pile_impl.h b/cc/test/fake_picture_pile_impl.h
index 10c769aefa6fc279900a4f967a4cf5df2ca1b6b5..f1a9d31ad3da684c651b42ed7484c39dae8ef2a8 100644
--- a/cc/test/fake_picture_pile_impl.h
+++ b/cc/test/fake_picture_pile_impl.h
@@ -72,12 +72,24 @@ class FakePicturePileImpl : public PicturePileImpl {
     is_solid_color_ = is_solid_color;
   }
 
+  bool HasRecordingAt(int x, int y) const;
+  void SetIsMask(bool mask) { is_mask_ = mask; }
+
+  int num_tiles_x() const { return tiling_.num_tiles_x(); }
+  int num_tiles_y() const { return tiling_.num_tiles_y(); }
+
+  void SetMinContentsScale(float scale);
+  void SetBufferPixels(int new_buffer_pixels);
+  void Clear();
+
  protected:
   FakePicturePileImpl();
+  explicit FakePicturePileImpl(const PicturePile* other);
   ~FakePicturePileImpl() override;
 
   FakeContentLayerClient client_;
   SkPaint default_paint_;
+  SkTileGridFactory::TileGridInfo tile_grid_info_;
 };
 
 }  // namespace cc