Remove #pragma once from content

content/public/test/browser_test.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 CONTENT_TEST_BROWSER_TEST_H_
 #define CONTENT_TEST_BROWSER_TEST_H_
-#pragma once
 
 // We only want to use InProcessBrowserTest in test targets which properly
 // isolate each test case by running each test in a separate process.
 // This way if a test hangs the test launcher can reliably terminate it.
 //
 // InProcessBrowserTest cannot be run more than once in the same address space
 // anyway - otherwise the second test crashes.
 #if defined(HAS_OUT_OF_PROC_TEST_RUNNER)
 
 #if defined(BROWSER_TESTS_HEADER_OVERRIDE)
@@ skipping 58 matching lines @@
         GTEST_TEST_CLASS_NAME_(test_case_name, test_name)); \
   }; \
   int GTEST_TEST_CLASS_NAME_(test_case_name, \
                              test_name)::gtest_registering_dummy_ = \
       GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::AddToRegistry(); \
   void GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::RunTestOnMainThread()
 
 #endif  // defined(HAS_OUT_OF_PROC_TEST_RUNNER)
 
 #endif  // CONTENT_TEST_BROWSER_TEST_H_