Remove ExecutionContext::lifecycleNotifier.

Source/core/dom/ExecutionContext.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2012 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 87 matching lines @@
     void stopActiveDOMObjects();
 
     virtual void suspendScheduledTasks();
     virtual void resumeScheduledTasks();
     virtual bool tasksNeedSuspension() { return false; }
     virtual void tasksWereSuspended() { }
     virtual void tasksWereResumed() { }
 
     bool activeDOMObjectsAreSuspended() const { return m_activeDOMObjectsAreSuspended; }
     bool activeDOMObjectsAreStopped() const { return m_activeDOMObjectsAreStopped; }
-    bool isIteratingOverObservers() const;
 
     // Called after the construction of an ActiveDOMObject to synchronize suspend state.
     void suspendActiveDOMObjectIfNeeded(ActiveDOMObject*);
 #if !ENABLE(OILPAN)
     void ref() { refExecutionContext(); }
     void deref() { derefExecutionContext(); }
 #endif
 
     // Gets the next id in a circular sequence from 1 to 2^31-1.
     int circularSequentialID();
@@ skipping 10 matching lines @@
     void consumeWindowInteraction();
     bool isWindowInteractionAllowed() const;
 
 protected:
     ExecutionContext();
     virtual ~ExecutionContext();
 
     virtual const KURL& virtualURL() const = 0;
     virtual KURL virtualCompleteURL(const String&) const = 0;
 
-    ContextLifecycleNotifier& lifecycleNotifier();
-
 private:
     bool dispatchErrorEvent(PassRefPtrWillBeRawPtr<ErrorEvent>, AccessControlStatus);
 
 #if !ENABLE(OILPAN)
     virtual void refExecutionContext() = 0;
     virtual void derefExecutionContext() = 0;
 #endif
     // LifecycleContext implementation.
 
     int m_circularSequentialID;
 
     bool m_inDispatchErrorEvent;
     class PendingException;
     OwnPtrWillBeMember<WillBeHeapVector<OwnPtrWillBeMember<PendingException> > > m_pendingExceptions;
 
     bool m_activeDOMObjectsAreSuspended;
     bool m_activeDOMObjectsAreStopped;
 
     OwnPtrWillBeMember<PublicURLManager> m_publicURLManager;
 
     bool m_strictMixedContentCheckingEnforced;
 
-    OwnPtr<ContextLifecycleNotifier> m_lifecycleNotifier;
-
     // Counter that keeps track of how many window interaction calls are allowed
     // for this ExecutionContext. Callers are expected to call
     // |allowWindowInteraction()| and |consumeWindowInteraction()| in order to
     // increment and decrement the counter.
     int m_windowInteractionTokens;
 };
 
 } // namespace blink
 
 #endif // ExecutionContext_h