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

webkit/plugins/ppapi/ppb_flash_clipboard_impl.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.
 
 #ifndef WEBKIT_PLUGINS_PPAPI_PPB_FLASH_CLIPBOARD_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_FLASH_CLIPBOARD_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ppapi/shared_impl/function_group_base.h"
 #include "ppapi/thunk/ppb_flash_clipboard_api.h"
 
-struct PPB_Flash_Clipboard;
-
 namespace webkit {
 namespace ppapi {
 
 class PluginInstance;
 
 class PPB_Flash_Clipboard_Impl
     : public ::ppapi::FunctionGroupBase,
       public ::ppapi::thunk::PPB_Flash_Clipboard_FunctionAPI {
  public:
   PPB_Flash_Clipboard_Impl(PluginInstance* instance);
@@ skipping 16 matching lines @@
  private:
   PluginInstance* instance_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Flash_Clipboard_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_FLASH_CLIPBOARD_IMPL_H_