Remove #pragma once from content

content/shell/geolocation/shell_access_token_store.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 CONTENT_SHELL_GEOLOCATION_SHELL_ACCESS_TOKEN_STORE_H_
 #define CONTENT_SHELL_GEOLOCATION_SHELL_ACCESS_TOKEN_STORE_H_
-#pragma once
 
 #include "content/public/browser/access_token_store.h"
 
 // Dummy access token store used to initialise the network location provider.
 class ShellAccessTokenStore : public content::AccessTokenStore {
  public:
   explicit ShellAccessTokenStore(net::URLRequestContextGetter* request_context);
 
  private:
   virtual ~ShellAccessTokenStore();
 
   // AccessTokenStore
   virtual void LoadAccessTokens(
       const LoadAccessTokensCallbackType& callback) OVERRIDE;
 
   virtual void SaveAccessToken(
       const GURL& server_url, const string16& access_token) OVERRIDE;
 
   static void DidLoadAccessTokens(
       net::URLRequestContextGetter* request_context,
       const LoadAccessTokensCallbackType& callback);
 
   net::URLRequestContextGetter* request_context_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellAccessTokenStore);
 };
 
 #endif  // CONTENT_SHELL_GEOLOCATION_SHELL_ACCESS_TOKEN_STORE_H_