Oilpan: add [WillBeGarbageCollected] for Node.

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 305 matching lines @@
     Location* location() const;
 
     PassRefPtrWillBeRawPtr<Element> createElement(const AtomicString& name, ExceptionState&);
     PassRefPtrWillBeRawPtr<DocumentFragment> createDocumentFragment();
     PassRefPtrWillBeRawPtr<Text> createTextNode(const String& data);
     PassRefPtrWillBeRawPtr<Comment> createComment(const String& data);
     PassRefPtrWillBeRawPtr<CDATASection> createCDATASection(const String& data, ExceptionState&);
     PassRefPtrWillBeRawPtr<ProcessingInstruction> createProcessingInstruction(const String& target, const String& data, ExceptionState&);
     PassRefPtrWillBeRawPtr<Attr> createAttribute(const AtomicString& name, ExceptionState&);
     PassRefPtrWillBeRawPtr<Attr> createAttributeNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, ExceptionState&, bool shouldIgnoreNamespaceChecks = false);
-    PassRefPtr<Node> importNode(Node* importedNode, ExceptionState&);
-    PassRefPtr<Node> importNode(Node* importedNode, bool deep, ExceptionState&);
+    PassRefPtrWillBeRawPtr<Node> importNode(Node* importedNode, ExceptionState&);
+    PassRefPtrWillBeRawPtr<Node> importNode(Node* importedNode, bool deep, ExceptionState&);
     PassRefPtrWillBeRawPtr<Element> createElementNS(const AtomicString& namespaceURI, const AtomicString& qualifiedName, ExceptionState&);
     PassRefPtrWillBeRawPtr<Element> createElement(const QualifiedName&, bool createdByParser);
 
     bool regionBasedColumnsEnabled() const;
 
     /**
      * Retrieve all nodes that intersect a rect in the window's document, until it is fully enclosed by
      * the boundaries of a node.
      *
      * @param centerX x reference for the rectangle in CSS pixels
@@ skipping 338 matching lines @@
     void nodeChildrenWillBeRemoved(ContainerNode&);
     // nodeWillBeRemoved is only safe when removing one node at a time.
     void nodeWillBeRemoved(Node&);
     bool canReplaceChild(const Node& newChild, const Node& oldChild) const;
 
     void didInsertText(Node*, unsigned offset, unsigned length);
     void didRemoveText(Node*, unsigned offset, unsigned length);
     void didMergeTextNodes(Text& oldNode, unsigned offset);
     void didSplitTextNode(Text& oldNode);
 
-    void clearDOMWindow() { m_domWindow = 0; }
+    void clearDOMWindow() { m_domWindow = nullptr; }
     DOMWindow* domWindow() const { return m_domWindow; }
 
     // Helper functions for forwarding DOMWindow event related tasks to the DOMWindow if it exists.
     void setWindowAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener>);
     EventListener* getWindowAttributeEventListener(const AtomicString& eventType);
 
     PassRefPtrWillBeRawPtr<Event> createEvent(const String& eventType, ExceptionState&);
 
     // keep track of what types of event listeners are registered, so we don't
     // dispatch events unnecessarily
@@ skipping 485 matching lines @@
 
     bool m_hasNodesWithPlaceholderStyle;
     bool m_evaluateMediaQueriesOnStyleRecalc;
 
     // If we do ignore the pending stylesheet count, then we need to add a boolean
     // to track that this happened so that we can do a full repaint when the stylesheets
     // do eventually load.
     PendingSheetLayout m_pendingSheetLayout;
 
     LocalFrame* m_frame;
-    DOMWindow* m_domWindow;
+    RawPtrWillBeWeakMember<DOMWindow> m_domWindow;
     HTMLImportsController* m_importsController;
 
     RefPtrWillBeMember<ResourceFetcher> m_fetcher;
     RefPtr<DocumentParser> m_parser;
     unsigned m_activeParserCount;
     RefPtrWillBeMember<ContextFeatures> m_contextFeatures;
 
     bool m_wellFormed;
 
     // Document URLs.
@@ skipping 237 matching lines @@
 inline bool Node::isDocumentNode() const
 {
     return this == document();
 }
 
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace WebCore
 
 #endif // Document_h