cc : Use effect tree to determine if a layer is inside replica

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 564 matching lines @@
   bool layer_or_descendant_has_touch_handler() {
     return layer_or_descendant_has_touch_handler_;
   }
 
   int num_copy_requests_in_target_subtree();
 
   void UpdatePropertyTreeForScrollingAndAnimationIfNeeded();
 
   bool IsHidden() const;
 
+  bool InsideReplica() const;
+
   float GetIdealContentsScale() const;
 
   bool was_ever_ready_since_last_transform_animation() const {
     return was_ever_ready_since_last_transform_animation_;
   }
 
   void set_was_ever_ready_since_last_transform_animation(bool was_ready) {
     was_ever_ready_since_last_transform_animation_ = was_ready;
   }
 
@@ skipping 169 matching lines @@
   bool layer_or_descendant_is_drawn_;
   // If true, the layer or one of its descendants has a touch handler.
   bool layer_or_descendant_has_touch_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_