File: trace_to_file.h

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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_TEST_TRACE_TO_FILE_H_
#define BASE_TEST_TRACE_TO_FILE_H_

#include "base/files/file_path.h"

namespace base {
namespace test {

class TraceToFile {
 public:
  TraceToFile();
  ~TraceToFile();

  void BeginTracingFromCommandLineOptions();
  void BeginTracing(const base::FilePath& path, const std::string& categories);
  void EndTracingIfNeeded();

 private:
  void WriteFileHeader();
  void AppendFileFooter();

  void TraceOutputCallback(const std::string& data);

  base::FilePath path_;
  bool started_;
};

}  // namespace test
}  // namespace base

#endif  // BASE_TEST_TRACE_TO_FILE_H_