Pepper: Reduce includes in generated thunks.

ppapi/thunk/ppb_isolated_file_system_private_thunk.cc

 // Copyright 2013 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.
 
 // From private/ppb_isolated_file_system_private.idl,
-//   modified Fri Nov  8 02:21:15 2013.
+//   modified Mon Nov 25 11:17:07 2013.
 
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_isolated_file_system_private.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_instance_api.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
 #include "ppapi/thunk/ppb_isolated_file_system_private_api.h"
-#include "ppapi/thunk/resource_creation_api.h"
-#include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 int32_t Open(PP_Instance instance,
              PP_IsolatedFileSystemType_Private type,
              PP_Resource* file_system,
              struct PP_CompletionCallback callback) {
   VLOG(4) << "PPB_IsolatedFileSystem_Private::Open()";
   EnterInstanceAPI<PPB_IsolatedFileSystem_Private_API> enter(instance,
                                                              callback);
   if (enter.failed())
     return enter.retval();
   return enter.SetResult(enter.functions()->Open(instance,
                                                  type,
                                                  file_system,
                                                  enter.callback()));
 }
 
 const PPB_IsolatedFileSystem_Private_0_2
     g_ppb_isolatedfilesystem_private_thunk_0_2 = {
   &Open
 };
 
 }  // namespace
 
-const PPB_IsolatedFileSystem_Private_0_2*
+PPAPI_THUNK_EXPORT const PPB_IsolatedFileSystem_Private_0_2*
     GetPPB_IsolatedFileSystem_Private_0_2_Thunk() {
   return &g_ppb_isolatedfilesystem_private_thunk_0_2;
 }
 
 }  // namespace thunk
 }  // namespace ppapi