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

ppapi/shared_impl/ppb_memory_shared.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 <stdlib.h>
 
 #include "ppapi/c/dev/ppb_memory_dev.h"
 #include "ppapi/shared_impl/ppapi_shared_export.h"
 
 // The memory interface doesn't have a normal C -> C++ thunk since it doesn't
@@ skipping 16 matching lines @@
 const PPB_Memory_Dev ppb_memory = {
   &MemAlloc,
   &MemFree
 };
 
 }  // namespace
 
 namespace thunk {
 
 // static
-PPAPI_SHARED_EXPORT const PPB_Memory_Dev* GetPPB_Memory_Dev_Thunk() {
+PPAPI_SHARED_EXPORT const PPB_Memory_Dev_0_1* GetPPB_Memory_Dev_0_1_Thunk() {
   return &ppb_memory;
 }
 
 }  // namespace thunk
 
 }  // namespace ppapi