Introduce ExecutionContextClient

Source/core/workers/WorkerGlobalScope.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009, 2011 Google 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
@@ skipping 71 matching lines @@
     , m_userAgent(userAgent)
     , m_script(adoptPtr(new WorkerScriptController(this)))
     , m_thread(thread)
     , m_workerInspectorController(adoptPtr(new WorkerInspectorController(this)))
     , m_closing(false)
     , m_eventQueue(WorkerEventQueue::create(this))
     , m_timeOrigin(timeOrigin)
     , m_workerClients(workerClients)
 {
     ScriptWrappable::init(this);
+    setClient(this);
     setSecurityOrigin(SecurityOrigin::create(url));
     m_workerClients->reattachThread();
 }
 
 WorkerGlobalScope::~WorkerGlobalScope()
 {
     ASSERT(thread()->isCurrentThread());
 
     // Make sure we have no observers.
     notifyObserversOfStop();
 
     // Notify proxy that we are going away. This can free the WorkerThread object, so do not access it after this.
     thread()->workerReportingProxy().workerGlobalScopeDestroyed();
+
+    setClient(0);
 }
 
 void WorkerGlobalScope::applyContentSecurityPolicyFromString(const String& policy, ContentSecurityPolicy::HeaderType contentSecurityPolicyType)
 {
     setContentSecurityPolicy(ContentSecurityPolicy::create(this));
     contentSecurityPolicy()->didReceiveHeader(policy, contentSecurityPolicyType);
 }
 
 ExecutionContext* WorkerGlobalScope::executionContext() const
 {
@@ skipping 23 matching lines @@
 String WorkerGlobalScope::userAgent(const KURL&) const
 {
     return m_userAgent;
 }
 
 void WorkerGlobalScope::disableEval(const String& errorMessage)
 {
     m_script->disableEval(errorMessage);
 }
 
+double WorkerGlobalScope::timerAlignmentInterval() const
+{
+    return DOMTimer::visiblePageAlignmentInterval();
+}
+
 WorkerLocation* WorkerGlobalScope::location() const
 {
     if (!m_location)
         m_location = WorkerLocation::create(m_url);
     return m_location.get();
 }
 
 void WorkerGlobalScope::close()
 {
     if (m_closing)
@@ skipping 156 matching lines @@
 bool WorkerGlobalScope::idleNotification()
 {
     return script()->idleNotification();
 }
 
 WorkerEventQueue* WorkerGlobalScope::eventQueue() const
 {
     return m_eventQueue.get();
 }
 
+PassOwnPtr<LifecycleNotifier> WorkerGlobalScope::createLifecycleNotifier()
+{
+    return ContextLifecycleNotifier::create(this);
+}
+
 } // namespace WebCore