Oilpan: Replace RefPtrs and raw pointers to Node and its subclasses in core/frame and core/page wit…

Source/core/frame/SmartClip.h

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 #define SmartClip_h
 
 #include "core/dom/Node.h"
 #include "core/frame/LocalFrame.h"
 
 namespace WebCore {
 
 class SmartClipData {
 public:
     SmartClipData()
+        : m_isEmpty(true)
     {
     }
 
     SmartClipData(Node* node, IntRect rect, String string)
-        : m_node(node)
+        : m_isEmpty(!node)
         , m_rect(rect)
         , m_string(string)
     {
     }
 
     String toString();
 
 private:
-    RefPtr<Node> m_node;
+    bool m_isEmpty;
     IntRect m_rect;
     String m_string;
 };
 
 // SmartClip implements support for the copy operation
 // with an S-Pen on Samsung devices. The behavior of this
 // class is quirky and poorly tested. It's approximately
 // trying to do a poor-mans implementation of columnar
 // selection followed by a copy operation.
 class SmartClip {
 public:
     explicit SmartClip(PassRefPtr<LocalFrame>);
 
     SmartClipData dataForRect(const IntRect&);
 
 private:
     float pageScaleFactor();
 
     Node* minNodeContainsNodes(Node* minNode, Node* newNode);
     Node* findBestOverlappingNode(Node*, const IntRect& cropRect);
     bool shouldSkipBackgroundImage(Node*);
-    void collectOverlappingChildNodes(Node* parentNode, const IntRect& cropRect, Vector<Node*>& overlappingNodeInfoTable);
+    void collectOverlappingChildNodes(Node* parentNode, const IntRect& cropRect, WillBeHeapVector<RawPtrWillBeMember<Node> >& overlappingNodeInfoTable);
     IntRect convertRectToWindow(const IntRect& nodeRect);
     String extractTextFromNode(Node*);
 
     RefPtr<LocalFrame> m_frame;
 };
 
 } // namespace WebCore
 
 #endif // SmartClip_h