cc: Add checker-imaging support to TileManager.

cc/layers/picture_layer_impl.h

Index: cc/layers/picture_layer_impl.h
diff --git a/cc/layers/picture_layer_impl.h b/cc/layers/picture_layer_impl.h
index 5f1ddf1b291ede8ce65a8367ccf47a654b0940ab..d89cf40651c2623b9ac550114c2633e23d856c3f 100644
--- a/cc/layers/picture_layer_impl.h
+++ b/cc/layers/picture_layer_impl.h
@@ -15,6 +15,7 @@
 #include "base/memory/ptr_util.h"
 #include "cc/base/cc_export.h"
 #include "cc/layers/layer_impl.h"
+#include "cc/playback/image_id.h"
 #include "cc/tiles/picture_layer_tiling.h"
 #include "cc/tiles/picture_layer_tiling_set.h"
 #include "cc/tiles/tiling_set_eviction_queue.h"
@@ -98,6 +99,9 @@ class CC_EXPORT PictureLayerImpl
     is_directly_composited_image_ = is_directly_composited_image;
   }
 
+  void InvalidateRegionForImages(
+      const std::unordered_set<ImageId>& images_to_invalidate);
+
  protected:
   PictureLayerImpl(LayerTreeImpl* tree_impl, int id, bool is_mask);
   PictureLayerTiling* AddTiling(float contents_scale);