Remove #pragma once from chrome/service

chrome/service/cloud_print/cloud_print_token_store.h

 // Copyright (c) 2011 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_SERVICE_CLOUD_PRINT_CLOUD_PRINT_TOKEN_STORE_H_
 #define CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_TOKEN_STORE_H_
-#pragma once
 
 #include <string>
 
 // This class serves as the single repository for cloud print auth tokens. This
 // is only used within the CloudPrintProxyCoreThread.
 
 #include "base/logging.h"
 #include "base/threading/non_thread_safe.h"
 
 class CloudPrintTokenStore : public base::NonThreadSafe {
@@ skipping 11 matching lines @@
     return token_;
   }
 
  private:
   std::string token_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintTokenStore);
 };
 
 #endif  // CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_TOKEN_STORE_H_