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

Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 18 matching lines @@
 #define Document_h
 
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "core/animation/AnimationClock.h"
 #include "core/animation/CompositorPendingAnimations.h"
 #include "core/dom/ContainerNode.h"
 #include "core/dom/DocumentEncodingData.h"
 #include "core/dom/DocumentInit.h"
 #include "core/dom/DocumentLifecycle.h"
-#include "core/dom/DocumentLifecycleNotifier.h"
 #include "core/dom/DocumentSupplementable.h"
 #include "core/dom/DocumentTiming.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/MutationObserver.h"
 #include "core/dom/TextLinkColors.h"
 #include "core/dom/TreeScope.h"
 #include "core/dom/UserActionElementSet.h"
 #include "core/dom/ViewportDescription.h"
 #include "core/dom/custom/CustomElement.h"
 #include "core/frame/DOMTimerCoordinator.h"
@@ skipping 25 matching lines @@
 class CanvasRenderingContext2DOrWebGLRenderingContext;
 class Chrome;
 class Comment;
 class ConsoleMessage;
 class ContextFeatures;
 class CustomElementMicrotaskRunQueue;
 class CustomElementRegistrationContext;
 class DOMImplementation;
 class DOMWindow;
 class DocumentFragment;
+class DocumentLifecycleNotifier;
 class DocumentLoader;
 class DocumentMarkerController;
 class DocumentNameCollection;
 class DocumentParser;
 class DocumentState;
 class DocumentType;
 class Element;
 class ElementDataCache;
 class ElementRegistrationOptions;
 class Event;
@@ skipping 117 matching lines @@
     virtual void trace(Visitor*);
 
 private:
     void registerObserver(Document&);
     void unregisterObserver();
 
     RawPtrWillBeMember<Document> m_document;
 };
 
 class Document : public ContainerNode, public TreeScope, public SecurityContext, public ExecutionContext
-    , public DocumentSupplementable, public DocumentLifecycleNotifier {
+    , public DocumentSupplementable, public LifecycleContext<Document> {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(Document);
 public:
     static PassRefPtrWillBeRawPtr<Document> create(const DocumentInit& initializer = DocumentInit())
     {
         return adoptRefWillBeNoop(new Document(initializer));
     }
     virtual ~Document();
 
     MediaQueryMatcher& mediaQueryMatcher();
@@ skipping 782 matching lines @@
     // TODO(thestig): Rename these and related functions, since we can call them
     // for labels and input fields outside of forms as well.
     void didAssociateFormControl(Element*);
     void removeFormAssociation(Element*);
 
     virtual void addConsoleMessage(PassRefPtrWillBeRawPtr<ConsoleMessage>) override final;
 
     virtual LocalDOMWindow* executingWindow() override final;
     LocalFrame* executingFrame();
 
+    DocumentLifecycleNotifier& lifecycleNotifier();
     DocumentLifecycle& lifecycle() { return m_lifecycle; }
     bool isActive() const { return m_lifecycle.isActive(); }
     bool isDetached() const { return m_lifecycle.state() >= DocumentLifecycle::Stopping; }
     bool isStopped() const { return m_lifecycle.state() == DocumentLifecycle::Stopped; }
     bool isDisposed() const { return m_lifecycle.state() == DocumentLifecycle::Disposed; }
 
     enum HttpRefreshType {
         HttpRefreshFromHeader,
         HttpRefreshFromMetaTag
     };
     void maybeHandleHttpRefresh(const String&, HttpRefreshType);
 
     void updateSecurityOrigin(PassRefPtr<SecurityOrigin>);
+    PassOwnPtr<LifecycleNotifier<Document>> createLifecycleNotifier();
 
     void setHasViewportUnits() { m_hasViewportUnits = true; }
     bool hasViewportUnits() const { return m_hasViewportUnits; }
     void notifyResizeForViewportUnits();
 
     void registerVisibilityObserver(DocumentVisibilityObserver*);
     void unregisterVisibilityObserver(DocumentVisibilityObserver*);
 
     void updateStyleInvalidationIfNeeded();
 
@@ skipping 382 matching lines @@
 DEFINE_TYPE_CASTS(TreeScope, Document, document, true, true);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLiveDocumentInstances();
 #endif
 
 #endif // Document_h