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

ppapi/c/dev/ppb_var_array_buffer_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_var_array_buffer_dev.idl modified Fri Dec  2 16:17:08 2011. */
+/* From dev/ppb_var_array_buffer_dev.idl modified Wed Dec 14 18:08:00 2011. */
 
 #ifndef PPAPI_C_DEV_PPB_VAR_ARRAY_BUFFER_DEV_H_
 #define PPAPI_C_DEV_PPB_VAR_ARRAY_BUFFER_DEV_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/pp_var.h"
 
 #define PPB_VAR_ARRAY_BUFFER_DEV_INTERFACE_0_1 "PPB_VarArrayBuffer(Dev);0.1"
@@ skipping 10 matching lines @@
  * @addtogroup Interfaces
  * @{
  */
 /**
  * PPB_VarArrayBuffer_Dev API. This provides a way to interact with JavaScript
  * ArrayBuffers, which represent a contiguous sequence of bytes. To manage the
  * reference count for a VarArrayBuffer, please see PPB_Var. Note that
  * these Vars are not part of the embedding page's DOM, and can only be shared
  * with JavaScript via pp::Instance's PostMessage and HandleMessage functions.
  */
-struct PPB_VarArrayBuffer_Dev {
+struct PPB_VarArrayBuffer_Dev_0_1 {
   /**
    * Create a zero-initialized VarArrayBuffer.
    *
    * @param[in] size_in_bytes The size of the array buffer that will be created.
    *
    * @return A PP_Var which represents an VarArrayBuffer of the requested size
    *         with a reference count of 1.
    */
   struct PP_Var (*Create)(uint32_t size_in_bytes);
   /**
    * Returns the length of the VarArrayBuffer in bytes.
    *
    * @return The length of the VarArrayBuffer in bytes.
    */
   uint32_t (*ByteLength)(struct PP_Var array);
   /**
    * Returns a pointer to the beginning of the buffer for the given array.
    *
    * @param[in] array The array whose buffer should be returned.
    *
    * @return A pointer to the buffer for this array.
    */
   void* (*Map)(struct PP_Var array);
 };
+
+typedef struct PPB_VarArrayBuffer_Dev_0_1 PPB_VarArrayBuffer_Dev;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_DEV_PPB_VAR_ARRAY_BUFFER_DEV_H_ */