Disambiguate LifecycleObserver::contextDestroyed

third_party/WebKit/Source/core/workers/ParentFrameTaskRunners.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/workers/ParentFrameTaskRunners.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/LocalFrame.h"
 #include "public/platform/Platform.h"
 #include "wtf/Assertions.h"
@@ skipping 16 matching lines @@
 
 RefPtr<WebTaskRunner> ParentFrameTaskRunners::get(TaskType type) {
   MutexLocker lock(m_taskRunnersMutex);
   return m_taskRunners.get(type);
 }
 
 DEFINE_TRACE(ParentFrameTaskRunners) {
   ContextLifecycleObserver::trace(visitor);
 }
 
-void ParentFrameTaskRunners::contextDestroyed() {
+void ParentFrameTaskRunners::contextDestroyed(ExecutionContext*) {
   MutexLocker lock(m_taskRunnersMutex);
   for (auto& entry : m_taskRunners)
     entry.value = Platform::current()->currentThread()->getWebTaskRunner();
 }
 
 }  // namespace blink