Unflag the MediaDevices devicechange event in Blink.

third_party/WebKit/Source/web/WebRuntimeFeatures.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 156 matching lines @@
 }
 
 void WebRuntimeFeatures::enableNavigatorContentUtils(bool enable) {
   RuntimeEnabledFeatures::setNavigatorContentUtilsEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableNetworkInformation(bool enable) {
   RuntimeEnabledFeatures::setNetworkInformationEnabled(enable);
 }
 
+void WebRuntimeFeatures::enableOnDeviceChange(bool enable) {
+  RuntimeEnabledFeatures::setOnDeviceChangeEnabled(enable);
+}
+
 void WebRuntimeFeatures::enableOrientationEvent(bool enable) {
   RuntimeEnabledFeatures::setOrientationEventEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableOriginTrials(bool enable) {
   RuntimeEnabledFeatures::setOriginTrialsEnabled(enable);
 }
 
 bool WebRuntimeFeatures::isOriginTrialsEnabled() {
   return RuntimeEnabledFeatures::originTrialsEnabled();
@@ skipping 165 matching lines @@
     bool enable) {
   RuntimeEnabledFeatures::setSendBeaconThrowForBlobWithNonSimpleTypeEnabled(
       enable);
 }
 
 void WebRuntimeFeatures::enableBackgroundVideoTrackOptimization(bool enable) {
   RuntimeEnabledFeatures::setBackgroundVideoTrackOptimizationEnabled(enable);
 }
 
 }  // namespace blink