Unflag the MediaDevices devicechange event in Blink.

third_party/WebKit/Source/modules/mediastream/MediaDevices.cpp

 // Copyright 2015 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.
 
 #include "modules/mediastream/MediaDevices.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
@@ skipping 126 matching lines @@
   }
 
   request->start();
   return resolver->promise();
 }
 
 void MediaDevices::didChangeMediaDevices() {
   Document* document = toDocument(getExecutionContext());
   DCHECK(document);
 
-  if (RuntimeEnabledFeatures::onDeviceChangeEnabled())

[foolip, 2016/12/02 08:48:26]

Can you DCHECK(RuntimeEnabledFeatures::onDeviceChangeEnabled()) instead?

[Guido Urdaneta, 2016/12/02 09:31:00]

Restored the original since the flag hasn't actually been removed, just made
stable in most platforms.

-    scheduleDispatchEvent(Event::create(EventTypeNames::devicechange));
+  scheduleDispatchEvent(Event::create(EventTypeNames::devicechange));
 }
 
 const AtomicString& MediaDevices::interfaceName() const {
   return EventTargetNames::MediaDevices;
 }
 
 ExecutionContext* MediaDevices::getExecutionContext() const {
   return ActiveDOMObject::getExecutionContext();
 }
 
@@ skipping 90 matching lines @@
 }
 
 DEFINE_TRACE(MediaDevices) {
   visitor->trace(m_dispatchScheduledEventRunner);
   visitor->trace(m_scheduledEvents);
   EventTargetWithInlineData::trace(visitor);
   ActiveDOMObject::trace(visitor);
 }
 
 }  // namespace blink