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

ppapi/c/dev/ppb_websocket_dev.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 dev/ppb_websocket_dev.idl modified Fri Dec 16 14:25:06 2011. */
+/* From dev/ppb_websocket_dev.idl modified Mon Dec 19 19:44:12 2011. */
 
 #ifndef PPAPI_C_DEV_PPB_WEBSOCKET_DEV_H_
 #define PPAPI_C_DEV_PPB_WEBSOCKET_DEV_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
@@ skipping 60 matching lines @@
 } PP_WebSocketMessageType_Dev;
 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_WebSocketMessageType_Dev, 4);
 /**
  * @}
  */
 
 /**
  * @addtogroup Interfaces
  * @{
  */
-struct PPB_WebSocket_Dev {
+struct PPB_WebSocket_Dev_0_1 {
   /**
    * Create() creates a WebSocket instance.
    *
    * @param[in] instance A <code>PP_Instance</code> identifying the instance
    * with the WebSocket.
    *
    * @return A <code>PP_Resource</code> corresponding to a WebSocket if
    * successful.
    */
   PP_Resource (*Create)(PP_Instance instance);
@@ skipping 217 matching lines @@
    *
    * @param[in] web_socket A <code>PP_Resource</code> corresponding to a
    * WebSocket.
    *
    * @return Returns a <code>PP_VARTYPE_STRING</code> var. If called before the
    * connection is established, it contains the empty string. Return a
    * <code>PP_VARTYPE_UNDEFINED</code> if called on an invalid resource.
    */
   struct PP_Var (*GetURL)(PP_Resource web_socket);
 };
+
+typedef struct PPB_WebSocket_Dev_0_1 PPB_WebSocket_Dev;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_DEV_PPB_WEBSOCKET_DEV_H_ */