Change EventTarget callback APIs for add/RemoveEventListenerInternal.

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

Index: third_party/WebKit/Source/modules/mediastream/MediaDevices.cpp
diff --git a/third_party/WebKit/Source/modules/mediastream/MediaDevices.cpp b/third_party/WebKit/Source/modules/mediastream/MediaDevices.cpp
index 218a50cd876cebd6df3dbf6c2fc70dc6bee935c0..8fc9b27d8d872f2b3937411a67351af67b4ad9e3 100644
--- a/third_party/WebKit/Source/modules/mediastream/MediaDevices.cpp
+++ b/third_party/WebKit/Source/modules/mediastream/MediaDevices.cpp
@@ -169,21 +169,17 @@ void MediaDevices::removeAllEventListeners()
     stopObserving();
 }
 
-bool MediaDevices::addEventListenerInternal(const AtomicString& eventType, EventListener* listener, const EventListenerOptions& options)
+void MediaDevices::addedEventListener(const AtomicString& eventType, RegisteredEventListener& registeredListener)
 {
-    if (!EventTargetWithInlineData::addEventListenerInternal(eventType, listener, options))
-        return false;
+    EventTargetWithInlineData::addedEventListener(eventType, registeredListener);
     startObserving();
-    return true;
 }
 
-bool MediaDevices::removeEventListenerInternal(const AtomicString& eventType, EventListener* listener, const EventListenerOptions& options)
+void MediaDevices::removedEventListener(const AtomicString& eventType, const RegisteredEventListener& registeredListener)
 {
-    if (!EventTargetWithInlineData::removeEventListenerInternal(eventType, listener, options))
-        return false;
+    EventTargetWithInlineData::removedEventListener(eventType, registeredListener);
     if (!hasEventListeners())
         stopObserving();
-    return true;
 }
 
 bool MediaDevices::hasPendingActivity() const