Oilpan: make DocumentFragment a heap allocated object.

Source/core/editing/ReplaceSelectionCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009, 2010, 2011 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 45 matching lines @@
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 enum EFragmentType { EmptyFragment, SingleTextNodeFragment, TreeFragment };
 
 // --- ReplacementFragment helper class
 
-class ReplacementFragment {
+class ReplacementFragment FINAL {
     WTF_MAKE_NONCOPYABLE(ReplacementFragment);
+    STACK_ALLOCATED();
 public:
     ReplacementFragment(Document*, DocumentFragment*, const VisibleSelection&);
 
     Node* firstChild() const;
     Node* lastChild() const;
 
     bool isEmpty() const;
 
     bool hasInterchangeNewlineAtStart() const { return m_hasInterchangeNewlineAtStart; }
     bool hasInterchangeNewlineAtEnd() const { return m_hasInterchangeNewlineAtEnd; }
 
     void removeNode(PassRefPtr<Node>);
     void removeNodePreservingChildren(PassRefPtr<Node>);
 
 private:
     PassRefPtr<Element> insertFragmentForTestRendering(Node* rootEditableNode);
     void removeUnrenderedNodes(Node*);
     void restoreAndRemoveTestRenderingNodesToFragment(Element*);
     void removeInterchangeNodes(Node*);
 
     void insertNodeBefore(PassRefPtr<Node> node, Node* refNode);
 
-    RefPtr<Document> m_document;
-    RefPtr<DocumentFragment> m_fragment;
+    RefPtrWillBeMember<Document> m_document;
+    RefPtrWillBeMember<DocumentFragment> m_fragment;
     bool m_hasInterchangeNewlineAtStart;
     bool m_hasInterchangeNewlineAtEnd;
 };
 
 static bool isInterchangeNewlineNode(const Node *node)
 {
     DEFINE_STATIC_LOCAL(String, interchangeNewlineClassString, (AppleInterchangeNewline));
     return isHTMLBRElement(node) && toElement(node)->getAttribute(classAttr) == interchangeNewlineClassString;
 }
 
@@ skipping 246 matching lines @@
 }
 
 inline void ReplaceSelectionCommand::InsertedNodes::didReplaceNode(Node& node, Node& newNode)
 {
     if (m_firstNodeInserted == node)
         m_firstNodeInserted = &newNode;
     if (m_lastNodeInserted == node)
         m_lastNodeInserted = &newNode;
 }
 
-ReplaceSelectionCommand::ReplaceSelectionCommand(Document& document, PassRefPtr<DocumentFragment> fragment, CommandOptions options, EditAction editAction)
+ReplaceSelectionCommand::ReplaceSelectionCommand(Document& document, PassRefPtrWillBeRawPtr<DocumentFragment> fragment, CommandOptions options, EditAction editAction)
     : CompositeEditCommand(document)
     , m_selectReplacement(options & SelectReplacement)
     , m_smartReplace(options & SmartReplace)
     , m_matchStyle(options & MatchStyle)
     , m_documentFragment(fragment)
     , m_preventNesting(options & PreventNesting)
     , m_movingParagraph(options & MovingParagraph)
     , m_editAction(editAction)
     , m_sanitizeFragment(options & SanitizeFragment)
     , m_shouldMergeEnd(false)
@@ skipping 1127 matching lines @@
         removeNodeAndPruneAncestors(nodeAfterInsertionPos.get());
 
     VisibleSelection selectionAfterReplace(m_selectReplacement ? start : end, end);
 
     setEndingSelection(selectionAfterReplace);
 
     return true;
 }
 
 } // namespace WebCore