Switch to standard integer types in chrome/browser/chromeos/.

chrome/browser/chromeos/login/easy_unlock/easy_unlock_remove_keys_operation.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_
 
+#include <stddef.h>
+
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "chromeos/login/auth/user_context.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace chromeos {
 
 class UserContext;
 
@@ skipping 19 matching lines @@
   RemoveKeysCallback callback_;
   size_t key_index_;
   base::WeakPtrFactory<EasyUnlockRemoveKeysOperation> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockRemoveKeysOperation);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_