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

ppapi/c/trusted/ppb_audio_trusted.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 trusted/ppb_audio_trusted.idl modified Sat Jul 16 16:51:03 2011. */
+/* From trusted/ppb_audio_trusted.idl modified Wed Oct  5 14:06:02 2011. */
 
 #ifndef PPAPI_C_TRUSTED_PPB_AUDIO_TRUSTED_H_
 #define PPAPI_C_TRUSTED_PPB_AUDIO_TRUSTED_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"
 
 #define PPB_AUDIO_TRUSTED_INTERFACE_0_6 "PPB_AudioTrusted;0.6"
 #define PPB_AUDIO_TRUSTED_INTERFACE PPB_AUDIO_TRUSTED_INTERFACE_0_6
 
 /**
  * @file
  * This file defines the trusted audio interface.
  */
 
 
 /**
  * @addtogroup Interfaces
  * @{
  */
 /**
  * This interface is to be used by proxy implementations.  All
  * functions should be called from the main thread only.  The
  * resource returned is an Audio resource; most of the PPB_Audio
  * interface is also usable on this resource.
  */
-struct PPB_AudioTrusted {
+struct PPB_AudioTrusted_0_6 {
   /** Returns an audio resource. */
   PP_Resource (*CreateTrusted)(PP_Instance instance);
   /**
    * Opens a paused audio interface, used by trusted side of proxy.
    * Returns PP_ERROR_WOULD_BLOCK on success, and invokes
    * the |create_callback| asynchronously to complete.
    * As this function should always be invoked from the main thread,
    * do not use the blocking variant of PP_CompletionCallback.
    */
   int32_t (*Open)(PP_Resource audio,
                   PP_Resource config,
                   struct PP_CompletionCallback create_callback);
   /**
    * Get the sync socket.  Use once Open has completed.
    * Returns PP_OK on success.
    */
   int32_t (*GetSyncSocket)(PP_Resource audio, int* sync_socket);
   /**
    * Get the shared memory interface.  Use once Open has completed.
    * Returns PP_OK on success.
    */
   int32_t (*GetSharedMemory)(PP_Resource audio,
                              int* shm_handle,
                              uint32_t* shm_size);
 };
+
+typedef struct PPB_AudioTrusted_0_6 PPB_AudioTrusted;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_TRUSTED_PPB_AUDIO_TRUSTED_H_ */