Change EventTarget callback APIs for add/RemoveEventListenerInternal.

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 151 matching lines @@
     return ActiveDOMObject::getExecutionContext();
 }
 
 void MediaDevices::removeAllEventListeners()
 {
     EventTargetWithInlineData::removeAllEventListeners();
     DCHECK(!hasEventListeners());
     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
 {
     DCHECK(m_stopped || m_observing == hasEventListeners());
     return m_observing;
 }
 
 void MediaDevices::stop()
 {
@@ skipping 71 matching lines @@
 
 DEFINE_TRACE(MediaDevices)
 {
     visitor->trace(m_dispatchScheduledEventRunner);
     visitor->trace(m_scheduledEvents);
     EventTargetWithInlineData::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink