Remove #pragma once from chrome/browser/sync

chrome/browser/sync/sync_ui_util.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_SYNC_UI_UTIL_H_
 #define CHROME_BROWSER_SYNC_SYNC_UI_UTIL_H_
-#pragma once
 
 #include <string>
 
 #include "base/string16.h"
 #include "base/values.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 
 class Browser;
 class Profile;
 
@@ skipping 70 matching lines @@
 
 // Returns a string describing the chrome version environment. Version format:
 // <Build Info> <OS> <Version number> (<Last change>)<channel or "-devel">
 // If version information is unavailable, returns "invalid."
 // TODO(zea): this approximately matches MakeUserAgentForSyncApi in
 // sync_backend_host.cc. Unify the two if possible.
 std::string GetVersionString();
 
 }  // namespace sync_ui_util
 #endif  // CHROME_BROWSER_SYNC_SYNC_UI_UTIL_H_