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

cc/trees/property_tree.h

 // Copyright 2014 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_TREES_PROPERTY_TREE_H_
 #define CC_TREES_PROPERTY_TREE_H_
 
 #include <stddef.h>
 
 #include <unordered_map>
@@ skipping 253 matching lines @@
   bool has_copy_request;
   bool has_background_filters;
   bool is_drawn;
   bool has_animated_opacity;
   // We need to track changes to effects on the compositor to compute damage
   // rect.
   bool effect_changed;
   int num_copy_requests_in_subtree;
   int transform_id;
   int clip_id;
+  // For a node that creates a render surface, target_id is the id of the
+  // render surface's target.

[ajuma, 2016/03/29 13:41:10]

For a node that corresponds to a surface, it looks like the target_id is the
node's own id, not the id of the surface's target. If that's the intended
behavior, please clarify the comment.

[jaydasika, 2016/03/29 16:03:45]

Done.

+  int target_id;
 
   bool operator==(const EffectNodeData& other) const;
 
   void ToProtobuf(proto::TreeNode* proto) const;
   void FromProtobuf(const proto::TreeNode& proto);
 };
 
 typedef TreeNode<EffectNodeData> EffectNode;
 
 struct CC_EXPORT ScrollNodeData {
@@ skipping 387 matching lines @@
 
  private:
   gfx::Vector2dF inner_viewport_container_bounds_delta_;
   gfx::Vector2dF outer_viewport_container_bounds_delta_;
   gfx::Vector2dF inner_viewport_scroll_bounds_delta_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROPERTY_TREE_H_