Remove #pragma once from chrome/browser/extensions

chrome/browser/extensions/extension_function_test_utils.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_EXTENSION_FUNCTION_TEST_UTILS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_TEST_UTILS_H_
-#pragma once
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "chrome/common/extensions/extension.h"
 
 class AsyncExtensionFunction;
 class Browser;
 class UIThreadExtensionFunction;
 
@@ skipping 74 matching lines @@
 // we're going to need to frob for all the different extension functions. But
 // we can refactor when we see what is needed.
 bool RunFunction(UIThreadExtensionFunction* function,
                  const std::string& args,
                  Browser* browser,
                  RunFunctionFlags flags);
 
 } // namespace extension_function_test_utils
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_TEST_UTILS_H_