Remove #pragma once from content

content/test/gpu/gpu_test_expectations_parser.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_TEST_GPU_GPU_TEST_EXPECTATIONS_PARSER_H_
 #define CONTENT_TEST_GPU_GPU_TEST_EXPECTATIONS_PARSER_H_
-#pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "content/test/gpu/gpu_test_config.h"
 
 class GPUTestExpectationsParser {
  public:
@@ skipping 66 matching lines @@
   // Return false if an error occurs or the path does not exist.
   static bool GetExpectationsPath(GPUTestProfile profile,
                                   FilePath* path);
 
   std::vector<GPUTestExpectationEntry> entries_;
   std::vector<std::string> error_messages_;
 };
 
 #endif  // CONTENT_TEST_GPU_GPU_TEST_EXPECTATIONS_PARSER_H_