Disable getMediaDevices tests. Revert to use getSources instead for getUserMedia tests.

chrome/test/data/webrtc/media_devices.js

 /**
  * Copyright 2014 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.
  */
 
 /**
  * Queries for media devices on the current system using the getMediaDevices
  * API.
  *
@@ skipping 11 matching lines @@
  * Returns the list of sources available.
  */
 function getSources() {
   MediaStreamTrack.getSources(function(sources) {
     returnToTest(JSON.stringify(sources));
   });
 }
 
 /**
  * Queries for video input devices on the current system using the
- * getMediaDevices API.
+ * getSources API.
  *
  * This does not guarantee that a getUserMedia with video will succeed, as the
  * camera could be busy for instance.
  *
  * Returns has-video-input-device to the test if there is a webcam available,
  * no-video-input-devices otherwise.
  */
 function hasVideoInputDeviceOnSystem() {
-  navigator.getMediaDevices(function(devices) {
+  MediaStreamTrack.getSources(function(devices) {
     var hasVideoInputDevice = false;
     devices.forEach(function(device) {
-      if (device.kind == 'videoinput')
+      if (device.kind == 'video')
         hasVideoInputDevice = true;
     });
 
     if (hasVideoInputDevice)
       returnToTest('has-video-input-device');
     else
       returnToTest('no-video-input-devices');
   });
 }