cc : Delete target id and content target id from transform nodes

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 <memory>
@@ skipping 270 matching lines @@
                               int dest_id,
                               gfx::Transform* transform) const;
 
  private:
   // Returns true iff the node at |desc_id| is a descendant of the node at
   // |anc_id|.
   bool IsDescendant(int desc_id, int anc_id) const;
 
   void UpdateLocalTransform(TransformNode* node);
   void UpdateScreenSpaceTransform(TransformNode* node,
-                                  TransformNode* parent_node,
-                                  TransformNode* target_node);
+                                  TransformNode* parent_node);
   void UpdateAnimationProperties(TransformNode* node,
                                  TransformNode* parent_node);
   void UndoSnapping(TransformNode* node);
   void UpdateSnapping(TransformNode* node);
   void UpdateNodeAndAncestorsHaveIntegerTranslations(
       TransformNode* node,
       TransformNode* parent_node);
   bool NeedsSourceToParentUpdate(TransformNode* node);
 
   bool source_to_parent_updates_allowed_;
@@ skipping 399 matching lines @@
   DrawTransforms& GetDrawTransforms(int transform_id, int effect_id) const;
   DrawTransformData& FetchDrawTransformsDataFromCache(int transform_id,
                                                       int effect_id) const;
 
   PropertyTreesCachedData cached_data_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROPERTY_TREE_H_