Store recording invalidations in DisplayListRecordingSource, save them via Update.

cc/layers/layer_impl.h

 // Copyright 2011 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_LAYERS_LAYER_IMPL_H_
 #define CC_LAYERS_LAYER_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 622 matching lines @@
       const std::vector<FrameTimingRequest>& frame_timing_requests);
   const std::vector<FrameTimingRequest>& frame_timing_requests() const {
     return frame_timing_requests_;
   }
   void GatherFrameTimingRequestIds(std::vector<int64_t>* request_ids);
 
   SyncedScrollOffset* synced_scroll_offset() { return scroll_offset_.get(); }
 
   // Get the correct invalidation region instead of conservative Rect
   // for layers that provide it.
-  virtual Region GetInvalidationRegion();
+  virtual Region GetInvalidationRegionForDebugging();
 
   virtual gfx::Rect GetEnclosingRectInTargetSpace() const;
 
   void set_visited(bool visited) { visited_ = visited; }
 
   bool visited() { return visited_; }
 
   void set_layer_or_descendant_is_drawn(bool layer_or_descendant_is_drawn) {
     layer_or_descendant_is_drawn_ = layer_or_descendant_is_drawn;
   }
@@ skipping 221 matching lines @@
   // If true, the layer or one of its descendants has a touch handler.
   bool layer_or_descendant_has_touch_handler_;
   bool sorted_for_recursion_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_