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

webkit/plugins/ppapi/ppb_file_system_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_FILE_SYSTEM_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_FILE_SYSTEM_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "googleurl/src/gurl.h"
 #include "ppapi/c/pp_file_info.h"
+#include "ppapi/c/ppb_file_system.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/thunk/ppb_file_system_api.h"
 
-struct PPB_FileSystem;
-
 namespace webkit {
 namespace ppapi {
 
 class PPB_FileSystem_Impl : public ::ppapi::Resource,
                             public ::ppapi::thunk::PPB_FileSystem_API {
  public:
   virtual ~PPB_FileSystem_Impl();
 
   static PP_Resource Create(PP_Instance instance, PP_FileSystemType type);
 
@@ skipping 19 matching lines @@
   bool opened_;
   bool called_open_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_FileSystem_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_FILE_SYSTEM_IMPL_H_