Switch to standard integer types in extensions/.

extensions/common/permissions/manifest_permission_set.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.
 
 #include "extensions/common/permissions/manifest_permission_set.h"
 
+#include <stddef.h>
+
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "extensions/common/error_utils.h"
 #include "extensions/common/manifest_constants.h"
 #include "extensions/common/manifest_handler.h"
 #include "extensions/common/permissions/manifest_permission.h"
 
 namespace {
 
@@ skipping 67 matching lines @@
 
     if (!CreateManifestPermission(permission_name, permission_value,
                                   manifest_permissions, error,
                                   unhandled_permissions))
       return false;
   }
   return true;
 }
 
 }  // namespace extensions