Remove DeviceManager and DeviceInfo.

webrtc/media/devices/dummydevicemanager.cc

Index: webrtc/media/devices/dummydevicemanager.cc
diff --git a/webrtc/media/devices/dummydevicemanager.cc b/webrtc/media/devices/dummydevicemanager.cc
deleted file mode 100644
index c1ff5eba040ea009b9390e76541e5aba1ad101f1..0000000000000000000000000000000000000000
--- a/webrtc/media/devices/dummydevicemanager.cc
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- *  Copyright (c) 2004 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.
- */
-
-#include "webrtc/media/devices/dummydevicemanager.h"
-
-namespace cricket {
-
-const char DeviceManagerInterface::kDefaultDeviceName[] = "";
-
-DeviceManagerInterface* DeviceManagerFactory::Create() {
-  return new DummyDeviceManager();
-}
-
-};  // namespace cricket