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

ppapi/c/private/ppb_flash_clipboard.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_flash_clipboard.idl modified Wed Nov 23 12:39:42 2011. */
+/* From private/ppb_flash_clipboard.idl modified Wed Dec 14 18:08:00 2011. */
 
 #ifndef PPAPI_C_PRIVATE_PPB_FLASH_CLIPBOARD_H_
 #define PPAPI_C_PRIVATE_PPB_FLASH_CLIPBOARD_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/pp_var.h"
 
@@ skipping 48 matching lines @@
 /**
  * @addtogroup Interfaces
  * @{
  */
 /**
  * The <code>PPB_Flash_Clipboard</code> interface contains pointers to functions
  * used by Pepper Flash to access the clipboard.
  *
  * TODO(viettrungluu): Support more formats (e.g., HTML)....
  */
-struct PPB_Flash_Clipboard {
+struct PPB_Flash_Clipboard_3_0 {
   /**
    * Checks whether a given data format is available from the given clipboard.
    * Returns true if the given format is available from the given clipboard.
    */
   PP_Bool (*IsFormatAvailable)(PP_Instance instance_id,
                                PP_Flash_Clipboard_Type clipboard_type,
                                PP_Flash_Clipboard_Format format);
   /**
    * Reads plain text data from the clipboard.
    */
   struct PP_Var (*ReadPlainText)(PP_Instance instance_id,
                                  PP_Flash_Clipboard_Type clipboard_type);
   /**
    * Writes plain text data to the clipboard. If <code>text</code> is too large,
    * it will return <code>PP_ERROR_NOSPACE</code> and not write to the
    * clipboard.
    */
   int32_t (*WritePlainText)(PP_Instance instance_id,
                             PP_Flash_Clipboard_Type clipboard_type,
                             struct PP_Var text);
 };
+
+typedef struct PPB_Flash_Clipboard_3_0 PPB_Flash_Clipboard;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PRIVATE_PPB_FLASH_CLIPBOARD_H_ */