Reenable media-device enumeration integration test.

chrome/test/data/webrtc/media_devices.js

Index: chrome/test/data/webrtc/media_devices.js
diff --git a/chrome/test/data/webrtc/media_devices.js b/chrome/test/data/webrtc/media_devices.js
index 0780dd5e5a87992907ab4e2e8a0e93595c51a976..ee21d81e3f48f068ed1add4ea845a6ec04daf79b 100644
--- a/chrome/test/data/webrtc/media_devices.js
+++ b/chrome/test/data/webrtc/media_devices.js
@@ -10,7 +10,7 @@
  *
  * Returns the list of devices available.
  */
-function getMediaDevices() {
+function enumerateDevices() {
   navigator.mediaDevices.enumerateDevices().then(function(devices) {
     returnToTest(JSON.stringify(devices));
   });