Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/core/dom/ScriptedIdleTaskController.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 "core/dom/ScriptedIdleTaskController.h"
 
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/IdleRequestCallback.h"
 #include "core/dom/IdleRequestOptions.h"
 #include "core/frame/PerformanceMonitor.h"
@@ skipping 170 matching lines @@
 
   double overrunMillis =
       std::max((monotonicallyIncreasingTime() - deadlineSeconds) * 1000, 0.0);
 
   DEFINE_STATIC_LOCAL(
       CustomCountHistogram, idleCallbackOverrunHistogram,
       ("WebCore.ScriptedIdleTaskController.IdleCallbackOverrun", 0, 10000, 50));
   idleCallbackOverrunHistogram.count(overrunMillis);
 }
 
-void ScriptedIdleTaskController::contextDestroyed() {
+void ScriptedIdleTaskController::contextDestroyed(ExecutionContext*) {
   m_callbacks.clear();
 }
 
 void ScriptedIdleTaskController::suspend() {
   m_suspended = true;
 }
 
 void ScriptedIdleTaskController::resume() {
   DCHECK(m_suspended);
   m_suspended = false;
@@ skipping 10 matching lines @@
     RefPtr<internal::IdleRequestCallbackWrapper> callbackWrapper =
         internal::IdleRequestCallbackWrapper::create(callback.key, this);
     m_scheduler->postIdleTask(
         BLINK_FROM_HERE,
         WTF::bind(&internal::IdleRequestCallbackWrapper::idleTaskFired,
                   callbackWrapper));
   }
 }
 
 }  // namespace blink