cc/blimp: Set up the framework for state serialization.

cc/layers/layer_proto_converter.h

 // Copyright 2015 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_LAYERS_LAYER_PROTO_CONVERTER_H_
 #define CC_LAYERS_LAYER_PROTO_CONVERTER_H_
 
 #include <unordered_map>
 
 #include "base/macros.h"
 #include "cc/base/cc_export.h"
 #include "cc/layers/layer.h"
 
 namespace cc {
 
 namespace proto {
 class LayerNode;
 class LayerUpdate;
 }
 
 // A class to faciliate (de)serialization of a Layer tree to protocol buffers.
 class CC_EXPORT LayerProtoConverter {
  public:
-  // Starting at |root_layer|, serializes the layer hierarchy into the
-  // proto::LayerNode.
-  static void SerializeLayerHierarchy(const scoped_refptr<Layer> root_layer,
-                                      proto::LayerNode* root_node);
-
   // Recursively iterate over the given LayerNode proto and read the structure
   // into a local Layer structure, re-using existing Layers. returns the new
   // root Layer after updating the hierarchy (may be the same as
   // |existing_root|). |existing_root| may be null, which might happen during
   // the first deserialize.
   static scoped_refptr<Layer> DeserializeLayerHierarchy(
       const scoped_refptr<Layer> existing_root,
       const proto::LayerNode& root_node,
       LayerTreeHost* layer_tree);
 
@@ skipping 33 matching lines @@
   // and special layers to |layer_id_map|.
   // TODO(vmpstr): LayerIdMap ref counts layers, so this function needs to deal
   // with ref counted objects instead of iterating over raw pointers.
   static void RecursivelyFindAllLayers(Layer* root_layer,
                                        LayerIdMap* layer_id_map);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_PROTO_CONVERTER_H_