Revert of Remove CAPS

chrome/tools/crash_service/caps/logger_win.h

+// Copyright 2015 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_TOOLS_CRASH_SERVICE_CAPS_LOGGER_WIN_H_
+#define CHROME_TOOLS_CRASH_SERVICE_CAPS_LOGGER_WIN_H_
+
+#include <windows.h>
+
+#include "base/macros.h"
+
+namespace base {
+class FilePath;
+}
+
+namespace caps {
+// Creates a human-readable activity log file.
+class Logger {
+public:
+  explicit Logger(const base::FilePath& path);
+  ~Logger();
+
+private:
+  HANDLE file_;
+
+  DISALLOW_COPY_AND_ASSIGN(Logger);
+};
+
+}  // namespace caps
+
+#endif  // CHROME_TOOLS_CRASH_SERVICE_CAPS_LOGGER_WIN_H_
+