cc: Remove SetNeedsUpdate function from cc::Layer

cc/trees/layer_tree_host.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_TREES_LAYER_TREE_HOST_H_
 #define CC_TREES_LAYER_TREE_HOST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 304 matching lines @@
   PropertyTrees* property_trees() { return &property_trees_; }
 
   void SetNeedsDisplayOnAllLayers();
 
   void RegisterLayer(Layer* layer);
   void UnregisterLayer(Layer* layer);
   Layer* LayerById(int id) const;
 
   size_t NumLayers() const;
 
-  bool UpdateLayers(const LayerList& update_layer_list,
+  bool in_update_property_trees() const { return in_update_property_trees_; }
+  bool PaintContent(const LayerList& update_layer_list,
                     bool* content_is_suitable_for_gpu);
   bool in_paint_layer_contents() const { return in_paint_layer_contents_; }
 
   void AddLayerShouldPushProperties(Layer* layer);
   void RemoveLayerShouldPushProperties(Layer* layer);
   std::unordered_set<Layer*>& LayersThatShouldPushProperties();
   bool LayerNeedsPushPropertiesForTesting(Layer* layer) const;
 
   virtual void SetNeedsMetaInfoRecomputation(
       bool needs_meta_info_recomputation);
@@ skipping 251 matching lines @@
 
   // Set of layers that need to push properties.
   std::unordered_set<Layer*> layers_that_should_push_properties_;
 
   // Layer id to Layer map.
   std::unordered_map<int, Layer*> layer_id_map_;
 
   std::unordered_map<ElementId, Layer*, ElementIdHash> element_layers_map_;
 
   bool in_paint_layer_contents_ = false;
+  bool in_update_property_trees_ = false;
 
   MutatorHost* mutator_host_;
 
   scoped_refptr<base::SequencedTaskRunner> image_worker_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_