Remove DeviceManager and DeviceInfo.

webrtc/media/devices/deviceinfo.h

Index: webrtc/media/devices/deviceinfo.h
diff --git a/webrtc/media/devices/deviceinfo.h b/webrtc/media/devices/deviceinfo.h
deleted file mode 100644
index 3023b1c2de200c209af9bf9f695ff9263f1b6f3b..0000000000000000000000000000000000000000
--- a/webrtc/media/devices/deviceinfo.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_MEDIA_DEVICES_DEVICEINFO_H_
-#define WEBRTC_MEDIA_DEVICES_DEVICEINFO_H_
-
-#include <string>
-
-#include "webrtc/media/devices/devicemanager.h"
-
-namespace cricket {
-
-bool GetUsbId(const Device& device, std::string* usb_id);
-bool GetUsbVersion(const Device& device, std::string* usb_version);
-
-}  // namespace cricket
-
-#endif  // WEBRTC_MEDIA_DEVICES_DEVICEINFO_H_