Oilpan: move editing objects to the heap.

Source/core/editing/SplitTextNodeCommand.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 16 matching lines @@
 #define SplitTextNodeCommand_h
 
 #include "core/editing/EditCommand.h"
 
 namespace WebCore {
 
 class Text;
 
 class SplitTextNodeCommand FINAL : public SimpleEditCommand {
 public:
-    static PassRefPtr<SplitTextNodeCommand> create(PassRefPtrWillBeRawPtr<Text> node, int offset)
+    static PassRefPtrWillBeRawPtr<SplitTextNodeCommand> create(PassRefPtrWillBeRawPtr<Text> node, int offset)
     {
-        return adoptRef(new SplitTextNodeCommand(node, offset));
+        return adoptRefWillBeNoop(new SplitTextNodeCommand(node, offset));
     }
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 private:
     SplitTextNodeCommand(PassRefPtrWillBeRawPtr<Text>, int offset);
 
     virtual void doApply() OVERRIDE;
     virtual void doUnapply() OVERRIDE;
     virtual void doReapply() OVERRIDE;
     void insertText1AndTrimText2();
 
-    RefPtrWillBePersistent<Text> m_text1;
-    RefPtrWillBePersistent<Text> m_text2;
+    RefPtrWillBeMember<Text> m_text1;
+    RefPtrWillBeMember<Text> m_text2;
     unsigned m_offset;
 };
 
 } // namespace WebCore
 
 #endif // SplitTextNodeCommand_h