Unflag the MediaDevices devicechange event in Blink.

third_party/WebKit/Source/web/WebRuntimeFeatures.cpp

Index: third_party/WebKit/Source/web/WebRuntimeFeatures.cpp
diff --git a/third_party/WebKit/Source/web/WebRuntimeFeatures.cpp b/third_party/WebKit/Source/web/WebRuntimeFeatures.cpp
index f4f1ca22c43d267aec1e1955a70bb1e0144de8f5..a239776c3d7980499ad098f11e9dc466372fc3ea 100644
--- a/third_party/WebKit/Source/web/WebRuntimeFeatures.cpp
+++ b/third_party/WebKit/Source/web/WebRuntimeFeatures.cpp
@@ -174,6 +174,10 @@ void WebRuntimeFeatures::enableNetworkInformation(bool enable) {
   RuntimeEnabledFeatures::setNetworkInformationEnabled(enable);
 }
 
+void WebRuntimeFeatures::enableOnDeviceChange(bool enable) {
+  RuntimeEnabledFeatures::setOnDeviceChangeEnabled(enable);
+}
+
 void WebRuntimeFeatures::enableOrientationEvent(bool enable) {
   RuntimeEnabledFeatures::setOrientationEventEnabled(enable);
 }