cc : Add LayerToPropertyTreeIndices map to PropertyTrees

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 667 matching lines @@
   bool changed;
   // We cache a global bool for full tree damages to avoid walking the entire
   // tree.
   // TODO(jaydasika): Changes to transform and effects that damage the entire
   // tree should be tracked by this bool. Currently, they are tracked by the
   // individual nodes.
   bool full_tree_damaged;
   int sequence_number;
   bool is_main_thread;
   bool is_active;
-  enum ResetFlags { EFFECT_TREE, TRANSFORM_TREE, ALL_TREES };
+  enum Types {
+    EFFECT_TREE,
+    TRANSFORM_TREE,
+    CLIP_TREE,
+    SCROLL_TREE,
+    EFFECT_AND_TRANSFORM_TREES
+  };
 
   void SetInnerViewportContainerBoundsDelta(gfx::Vector2dF bounds_delta);
   void SetOuterViewportContainerBoundsDelta(gfx::Vector2dF bounds_delta);
   void SetInnerViewportScrollBoundsDelta(gfx::Vector2dF bounds_delta);
   void UpdateChangeTracking();
   void PushChangeTrackingTo(PropertyTrees* tree);
-  void ResetAllChangeTracking(ResetFlags flag);
+  void ResetAllChangeTracking(Types type);
 
   gfx::Vector2dF inner_viewport_container_bounds_delta() const {
     return inner_viewport_container_bounds_delta_;
   }
 
   gfx::Vector2dF outer_viewport_container_bounds_delta() const {
     return outer_viewport_container_bounds_delta_;
   }
 
   gfx::Vector2dF inner_viewport_scroll_bounds_delta() const {
     return inner_viewport_scroll_bounds_delta_;
   }
 
   std::unique_ptr<base::trace_event::TracedValue> AsTracedValue() const;
 
  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_