Remove #pragma once from chrome/browser/sync

chrome/browser/sync/test/integration/sessions_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_TEST_INTEGRATION_SESSIONS_HELPER_H_
 #define CHROME_BROWSER_SYNC_TEST_INTEGRATION_SESSIONS_HELPER_H_
-#pragma once
 
 #include <algorithm>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/sessions/session_types.h"
 #include "chrome/browser/sync/glue/synced_session.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 #include "sync/syncable/nigori_util.h"
 
@@ skipping 98 matching lines @@
 
 // Deletes the foreign session with tag |session_tag| from the profile specified
 // by |index|. This will affect all synced clients.
 // Note: We pass the session_tag in by value to ensure it's not a reference
 // to the session tag within the SyncedSession we plan to delete.
 void DeleteForeignSession(int index, std::string session_tag);
 
 }  // namespace sessions_helper
 
 #endif  // CHROME_BROWSER_SYNC_TEST_INTEGRATION_SESSIONS_HELPER_H_