Revert r189385 "Remove LifecycleContext" and r189391, r189530, r189456 that block it

Source/core/frame/DOMWindowLifecycleNotifier.cpp

 /*
  * Copyright (C) 2013 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 
 #include "config.h"
 #include "core/frame/DOMWindowLifecycleNotifier.h"
 
-#include "core/frame/DOMWindowLifecycleObserver.h"
-
 namespace blink {
 
 DOMWindowLifecycleNotifier::DOMWindowLifecycleNotifier(LocalDOMWindow* context)
     : LifecycleNotifier<LocalDOMWindow>(context)
 {
 }
 
 void DOMWindowLifecycleNotifier::addObserver(DOMWindowLifecycleNotifier::Observer* observer)
 {
     if (observer->observerType() == Observer::DOMWindowLifecycleObserverType) {
         RELEASE_ASSERT(m_iterating != IteratingOverDOMWindowObservers);
         m_windowObservers.add(static_cast<DOMWindowLifecycleObserver*>(observer));
     }
 
     LifecycleNotifier<LocalDOMWindow>::addObserver(observer);
 }
 
 void DOMWindowLifecycleNotifier::removeObserver(DOMWindowLifecycleNotifier::Observer* observer)
 {
     if (observer->observerType() == Observer::DOMWindowLifecycleObserverType) {
         RELEASE_ASSERT(m_iterating != IteratingOverDOMWindowObservers);
         m_windowObservers.remove(static_cast<DOMWindowLifecycleObserver*>(observer));
     }
 
     LifecycleNotifier<LocalDOMWindow>::removeObserver(observer);
 }
 
+PassOwnPtr<DOMWindowLifecycleNotifier> DOMWindowLifecycleNotifier::create(LocalDOMWindow* context)
+{
+    return adoptPtr(new DOMWindowLifecycleNotifier(context));
+}
+
 void DOMWindowLifecycleNotifier::notifyAddEventListener(LocalDOMWindow* window, const AtomicString& eventType)
 {
-    TemporaryChange<IterationType> scope(m_iterating, IteratingOverDOMWindowObservers);
+    TemporaryChange<IterationType> scope(this->m_iterating, IteratingOverDOMWindowObservers);
     for (const auto& windowObserver : m_windowObservers)
         windowObserver->didAddEventListener(window, eventType);
 }
 
 void DOMWindowLifecycleNotifier::notifyRemoveEventListener(LocalDOMWindow* window, const AtomicString& eventType)
 {
-    TemporaryChange<IterationType> scope(m_iterating, IteratingOverDOMWindowObservers);
+    TemporaryChange<IterationType> scope(this->m_iterating, IteratingOverDOMWindowObservers);
     for (const auto& windowObserver : m_windowObservers)
         windowObserver->didRemoveEventListener(window, eventType);
 }
 
 void DOMWindowLifecycleNotifier::notifyRemoveAllEventListeners(LocalDOMWindow* window)
 {
-    TemporaryChange<IterationType> scope(m_iterating, IteratingOverDOMWindowObservers);
+    TemporaryChange<IterationType> scope(this->m_iterating, IteratingOverDOMWindowObservers);
     for (const auto& windowObserver : m_windowObservers)
         windowObserver->didRemoveAllEventListeners(window);
 }
 
 } // namespace blink