Oilpan: move editing objects to the heap.

Source/core/editing/ReplaceSelectionCommand.h

 /*
  * Copyright (C) 2005, 2006, 2008 Apple 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
@@ skipping 29 matching lines @@
         SelectReplacement = 1 << 0,
         SmartReplace = 1 << 1,
         MatchStyle = 1 << 2,
         PreventNesting = 1 << 3,
         MovingParagraph = 1 << 4,
         SanitizeFragment = 1 << 5
     };
 
     typedef unsigned CommandOptions;
 
-    static PassRefPtr<ReplaceSelectionCommand> create(Document& document, PassRefPtrWillBeRawPtr<DocumentFragment> fragment, CommandOptions options, EditAction action = EditActionPaste)
+    static PassRefPtrWillBeRawPtr<ReplaceSelectionCommand> create(Document& document, PassRefPtrWillBeRawPtr<DocumentFragment> fragment, CommandOptions options, EditAction action = EditActionPaste)
     {
-        return adoptRef(new ReplaceSelectionCommand(document, fragment, options, action));
+        return adoptRefWillBeNoop(new ReplaceSelectionCommand(document, fragment, options, action));
     }
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 private:
     ReplaceSelectionCommand(Document&, PassRefPtrWillBeRawPtr<DocumentFragment>, CommandOptions, EditAction);
 
     virtual void doApply() OVERRIDE;
     virtual EditAction editingAction() const OVERRIDE;
 
     class InsertedNodes {
+        STACK_ALLOCATED();
     public:
         void respondToNodeInsertion(Node&);
         void willRemoveNodePreservingChildren(Node&);
         void willRemoveNode(Node&);
         void didReplaceNode(Node&, Node& newNode);
 
         Node* firstNodeInserted() const { return m_firstNodeInserted.get(); }
         Node* lastLeafInserted() const { return m_lastNodeInserted ? &m_lastNodeInserted->lastDescendantOrSelf() : 0; }
         Node* pastLastLeaf() const { return m_lastNodeInserted ? NodeTraversal::next(m_lastNodeInserted->lastDescendantOrSelf()) : 0; }
 
     private:
-        RefPtr<Node> m_firstNodeInserted;
-        RefPtr<Node> m_lastNodeInserted;
+        RefPtrWillBeMember<Node> m_firstNodeInserted;
+        RefPtrWillBeMember<Node> m_lastNodeInserted;
     };
 
     Node* insertAsListItems(PassRefPtrWillBeRawPtr<HTMLElement> listElement, Node* insertionNode, const Position&, InsertedNodes&);
 
     void updateNodesInserted(Node*);
     bool shouldRemoveEndBR(Node*, const VisiblePosition&);
 
     bool shouldMergeStart(bool, bool, bool);
     bool shouldMergeEnd(bool selectionEndWasEndOfParagraph);
     bool shouldMerge(const VisiblePosition&, const VisiblePosition&);
 
     void mergeEndIfNeeded();
 
     void removeUnrenderedTextNodesAtEnds(InsertedNodes&);
 
     void removeRedundantStylesAndKeepStyleSpanInline(InsertedNodes&);
     void makeInsertedContentRoundTrippableWithHTMLTreeBuilder(const InsertedNodes&);
-    void moveNodeOutOfAncestor(PassRefPtr<Node>, PassRefPtr<Node> ancestor);
+    void moveNodeOutOfAncestor(PassRefPtrWillBeRawPtr<Node>, PassRefPtrWillBeRawPtr<Node> ancestor);
     void handleStyleSpans(InsertedNodes&);
 
     VisiblePosition positionAtStartOfInsertedContent() const;
     VisiblePosition positionAtEndOfInsertedContent() const;
 
     bool shouldPerformSmartReplace() const;
     void addSpacesForSmartReplace();
     void completeHTMLReplacement(const Position& lastPositionToSelect);
     void mergeTextNodesAroundPosition(Position&, Position& positionOnlyToBeUpdated);
 
     bool performTrivialReplace(const ReplacementFragment&);
 
     Position m_startOfInsertedContent;
     Position m_endOfInsertedContent;
-    RefPtr<EditingStyle> m_insertionStyle;
+    RefPtrWillBeMember<EditingStyle> m_insertionStyle;
     bool m_selectReplacement;
     bool m_smartReplace;
     bool m_matchStyle;
-    RefPtrWillBePersistent<DocumentFragment> m_documentFragment;
+    RefPtrWillBeMember<DocumentFragment> m_documentFragment;
     bool m_preventNesting;
     bool m_movingParagraph;
     EditAction m_editAction;
     bool m_sanitizeFragment;
     bool m_shouldMergeEnd;
 };
 
 } // namespace WebCore
 
 #endif // ReplaceSelectionCommand_h