Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/modules/vibration/NavigatorVibration.cpp

 /*
  *  Copyright (C) 2012 Samsung Electronics
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 137 matching lines @@
   }
 }
 
 VibrationController* NavigatorVibration::controller(const LocalFrame& frame) {
   if (!m_controller)
     m_controller = new VibrationController(*frame.document());
 
   return m_controller.get();
 }
 
-void NavigatorVibration::contextDestroyed() {
+void NavigatorVibration::contextDestroyed(ExecutionContext*) {
   if (m_controller) {
     m_controller->cancel();
     m_controller = nullptr;
   }
 }
 
 DEFINE_TRACE(NavigatorVibration) {
   visitor->trace(m_controller);
   Supplement<Navigator>::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink