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

cc/layers/layer_proto_converter.h

Index: cc/layers/layer_proto_converter.h
diff --git a/cc/layers/layer_proto_converter.h b/cc/layers/layer_proto_converter.h
index 3ed9ec06203f539408af1e99dcbe388d053e55f6..2ee4593c4f567cf6b72036038f2343a981a265cf 100644
--- a/cc/layers/layer_proto_converter.h
+++ b/cc/layers/layer_proto_converter.h
@@ -21,11 +21,6 @@ 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