Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/core/frame/DOMTimer.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 109 matching lines @@
   m_userGestureToken = nullptr;
   // Need to release JS objects potentially protected by ScheduledAction
   // because they can form circular references back to the ExecutionContext
   // which will cause a memory leak.
   if (m_action)
     m_action->dispose();
   m_action = nullptr;
   SuspendableTimer::stop();
 }
 
-void DOMTimer::contextDestroyed() {
+void DOMTimer::contextDestroyed(ExecutionContext*) {
   stop();
 }
 
 void DOMTimer::fired() {
   ExecutionContext* context = getExecutionContext();
   ASSERT(context);
   context->timers()->setTimerNestingLevel(m_nestingLevel);
   DCHECK(!context->isContextSuspended());
   // Only the first execution of a multi-shot timer should get an affirmative
   // user gesture indicator.
@@ skipping 46 matching lines @@
 RefPtr<WebTaskRunner> DOMTimer::timerTaskRunner() const {
   return getExecutionContext()->timers()->timerTaskRunner();
 }
 
 DEFINE_TRACE(DOMTimer) {
   visitor->trace(m_action);
   SuspendableTimer::trace(visitor);
 }
 
 }  // namespace blink