cc: Move RenderTarget Information to Effect Tree

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 12 matching lines @@
 class EffectNodeData;
 class PropertyTree;
 class PropertyTrees;
 class ScrollNodeData;
 class TranformNodeData;
 class TransformTreeData;
 class TreeNode;
 }
 
 class LayerTreeImpl;
+class RenderSurfaceImpl;
 class ScrollState;
 struct ScrollAndScaleSet;
 
 // ------------------------------*IMPORTANT*---------------------------------
 // Each class declared here has a corresponding proto defined in
 // cc/proto/property_tree.proto. When making any changes to a class structure
 // including addition/deletion/updation of a field, please also make the
 // change to its proto and the ToProtobuf and FromProtobuf methods for that
 // class.
 
@@ skipping 211 matching lines @@
 typedef TreeNode<ClipNodeData> ClipNode;
 
 struct CC_EXPORT EffectNodeData {
   EffectNodeData();
   EffectNodeData(const EffectNodeData& other);
 
   float opacity;
   float screen_space_opacity;
 
   bool has_render_surface;
+  RenderSurfaceImpl* render_surface;
   bool has_copy_request;
   bool has_background_filters;
   bool node_or_ancestor_has_background_filters;
   bool to_screen_opacity_is_animated;
   bool hidden_by_backface_visibility;
   bool double_sided;
   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 its own id.
+  // Effect node id of which this effect contributes to.
   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;
 
@@ skipping 389 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_