Convert file ref private to use new registration.

ppapi/proxy/ppb_file_ref_proxy.h

 // Copyright (c) 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 PPAPI_PROXY_PPB_FILE_REF_PROXY_H_
 #define PPAPI_PROXY_PPB_FILE_REF_PROXY_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 11 matching lines @@
 
 namespace proxy {
 
 class SerializedVarReturnValue;
 
 class PPB_FileRef_Proxy : public InterfaceProxy {
  public:
   explicit PPB_FileRef_Proxy(Dispatcher* dispatcher);
   virtual ~PPB_FileRef_Proxy();
 
-  static const Info* GetPrivateInfo();
-
   static PP_Resource CreateProxyResource(PP_Resource file_system,
                                          const char* path);
 
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
   // Takes a resource in the host and converts it into a serialized file ref
   // "create info" for reconstitution in the plugin. This struct contains all
   // the necessary information about the file ref.
   //
@@ skipping 51 matching lines @@
   pp::CompletionCallbackFactory<PPB_FileRef_Proxy,
                                 ProxyNonThreadSafeRefCount> callback_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_FileRef_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_FILE_REF_PROXY_H_