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

webkit/plugins/ppapi/ppb_flash_impl.cc

 // 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.
 
 #include "webkit/plugins/ppapi/ppb_flash_impl.h"
 
 #include <string>
 #include <vector>
 
 #include "base/message_loop.h"
@@ skipping 257 matching lines @@
 };
 
 }  // namespace
 
 // static
 const PPB_Flash_11* PPB_Flash_Impl::GetInterface11() {
   return &ppb_flash_11;
 }
 
 // static
-const PPB_Flash* PPB_Flash_Impl::GetInterface12() {
+const PPB_Flash_12_0* PPB_Flash_Impl::GetInterface12_0() {
   return &ppb_flash_12;
 }
 
 }  // namespace ppapi
 }  // namespace webkit