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

ppapi/thunk/ppb_instance_thunk.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 "ppapi/thunk/thunk.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_instance_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 
 namespace ppapi {
@@ skipping 44 matching lines @@
 };
 
 const PPB_Instance_Private g_ppb_instance_private_thunk = {
   &GetWindowObject,
   &GetOwnerElementObject,
   &ExecuteScript
 };
 
 }  // namespace
 
-const PPB_Instance* GetPPB_Instance_Thunk() {
+const PPB_Instance_1_0* GetPPB_Instance_1_0_Thunk() {
   return &g_ppb_instance_thunk;
 }
-const PPB_Instance_Private* GetPPB_Instance_Private_Thunk() {
+const PPB_Instance_Private_0_1* GetPPB_Instance_Private_0_1_Thunk() {
   return &g_ppb_instance_private_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi