Update PPAPI IDL generator to define versioned structs, and unversioned typedef.

ppapi/c/private/ppb_file_ref_private.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.
  */
 
-/* From private/ppb_file_ref_private.idl modified Mon Dec 12 14:04:17 2011. */
+/* From private/ppb_file_ref_private.idl modified Fri Dec 16 17:34:59 2011. */
 
 #ifndef PPAPI_C_PRIVATE_PPB_FILE_REF_PRIVATE_H_
 #define PPAPI_C_PRIVATE_PPB_FILE_REF_PRIVATE_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/pp_var.h"
 
 #define PPB_FILEREFPRIVATE_INTERFACE_0_1 "PPB_FileRefPrivate;0.1"
 #define PPB_FILEREFPRIVATE_INTERFACE PPB_FILEREFPRIVATE_INTERFACE_0_1
 
 /**
  * @file
  * This file contains the <code>PPB_FileRefPrivate</code> interface. */
 
 
 /**
  * @addtogroup Interfaces
  * @{
  */
 /* PPB_FileRefPrivate interface */
-struct PPB_FileRefPrivate {
+struct PPB_FileRefPrivate_0_1 {
   /**
    * GetAbsolutePath() returns the absolute path of the file.
    *
    * @param[in] file_ref A <code>PP_Resource</code> corresponding to a file
    * reference.
    *
    * @return A <code>PP_Var</code> containing the absolute path of the file.
    */
   struct PP_Var (*GetAbsolutePath)(PP_Resource file_ref);
 };
+
+typedef struct PPB_FileRefPrivate_0_1 PPB_FileRefPrivate;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PRIVATE_PPB_FILE_REF_PRIVATE_H_ */