Creating the audio_modem component

components/audio_modem/audio_modem_switches.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 COMPONENTS_AUDIO_MODEM_AUDIO_MODEM_SWITCHES_H_
+#define COMPONENTS_AUDIO_MODEM_AUDIO_MODEM_SWITCHES_H_
+
+namespace switches {
+
+// All switches in alphabetical order. The switches should be documented
+// alongside the definition of their values in the .cc file.
+extern const char kAudioModemDumpTokensToDir[];
+extern const char kAudioModemEnableAudibleBroadcast[];
+extern const char kAudioModemEnableInaudibleBroadcast[];
+
+}  // namespace switches
+
+#endif  // COMPONENTS_AUDIO_MODEM_AUDIO_MODEM_SWITCHES_H_