Support performance.now() in workers.

Source/core/workers/WorkerContext.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 63 matching lines @@
     {
         ASSERT_WITH_SECURITY_IMPLICATION(context->isWorkerContext());
         WorkerContext* workerContext = static_cast<WorkerContext*>(context);
         // Notify parent that this context is closed. Parent is responsible for calling WorkerThread::stop().
         workerContext->thread()->workerReportingProxy().workerContextClosed();
     }
 
     virtual bool isCleanupTask() const { return true; }
 };
 
-WorkerContext::WorkerContext(const KURL& url, const String& userAgent, PassOwnPtr<GroupSettings> settings, WorkerThread* thread, PassRefPtr<SecurityOrigin> topOrigin)
+WorkerContext::WorkerContext(const KURL& url, const String& userAgent, PassOwnPtr<GroupSettings> settings, WorkerThread* thread, PassRefPtr<SecurityOrigin> topOrigin, double timeOrigin)
     : m_url(url)
     , m_userAgent(userAgent)
     , m_groupSettings(settings)
     , m_script(adoptPtr(new WorkerScriptController(this)))
     , m_thread(thread)
     , m_workerInspectorController(adoptPtr(new WorkerInspectorController(this)))
     , m_closing(false)
     , m_eventQueue(WorkerEventQueue::create(this))
     , m_topOrigin(topOrigin)
+    , m_timeOrigin(timeOrigin)
 {
     ScriptWrappable::init(this);
     setSecurityOrigin(SecurityOrigin::create(url));
 }
 
 WorkerContext::~WorkerContext()
 {
     ASSERT(thread()->isCurrentThread());
 
     // Make sure we have no observers.
@@ skipping 261 matching lines @@
         iter = m_workerObservers.begin();
     }
 }
 
 WorkerEventQueue* WorkerContext::eventQueue() const
 {
     return m_eventQueue.get();
 }
 
 } // namespace WebCore