Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/core/html/AutoplayUmaHelper.cpp

 // Copyright 2016 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 "core/html/AutoplayUmaHelper.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ElementVisibilityObserver.h"
 #include "core/events/Event.h"
 #include "core/frame/Settings.h"
@@ skipping 218 matching lines @@
   maybeStartRecordingMutedVideoOffscreenDuration();
 
   m_element->removeEventListener(EventTypeNames::playing, this, false);
 }
 
 void AutoplayUmaHelper::handlePauseEvent() {
   maybeStopRecordingMutedVideoOffscreenDuration();
   maybeRecordUserPausedAutoplayingCrossOriginVideo();
 }
 
-void AutoplayUmaHelper::contextDestroyed() {
+void AutoplayUmaHelper::contextDestroyed(ExecutionContext*) {
   handleContextDestroyed();
 }
 
 void AutoplayUmaHelper::handleContextDestroyed() {
   maybeStopRecordingMutedVideoPlayMethodBecomeVisible(false);
   maybeStopRecordingMutedVideoOffscreenDuration();
 }
 
 void AutoplayUmaHelper::maybeStartRecordingMutedVideoPlayMethodBecomeVisible() {
   if (m_source != AutoplaySource::Method || !m_element->isHTMLVideoElement() ||
@@ skipping 111 matching lines @@
 
 DEFINE_TRACE(AutoplayUmaHelper) {
   EventListener::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
   visitor->trace(m_element);
   visitor->trace(m_mutedVideoPlayMethodVisibilityObserver);
   visitor->trace(m_mutedVideoOffscreenDurationVisibilityObserver);
 }
 
 }  // namespace blink