Switch to standard integer types in ppapi/.

ppapi/thunk/ppb_file_system_thunk.cc

 // Copyright (c) 2012 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 ppb_file_system.idl modified Wed May 15 13:57:07 2013.
 
+#include <stdint.h>
+
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_file_system.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppapi_thunk_export.h"
 #include "ppapi/thunk/ppb_file_system_api.h"
 
 namespace ppapi {
 namespace thunk {
@@ skipping 38 matching lines @@
                                                        &GetType};
 
 }  // namespace
 
 PPAPI_THUNK_EXPORT const PPB_FileSystem_1_0* GetPPB_FileSystem_1_0_Thunk() {
   return &g_ppb_filesystem_thunk_1_0;
 }
 
 }  // namespace thunk
 }  // namespace ppapi