Remove #pragma once from chrome/browser/extensions

chrome/browser/extensions/script_executor.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_EXTENSIONS_SCRIPT_EXECUTOR_H_
 #define CHROME_BROWSER_EXTENSIONS_SCRIPT_EXECUTOR_H_
-#pragma once
 
 #include <string>
 
 #include "base/callback_forward.h"
 #include "chrome/common/extensions/user_script.h"
 
 namespace content {
 class WebContents;
 }
 
@@ skipping 40 matching lines @@
                              const std::string& code,
                              FrameScope frame_scope,
                              UserScript::RunLocation run_at,
                              WorldType world_type,
                              const ExecuteScriptCallback& callback) = 0;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_SCRIPT_EXECUTOR_H_