Fix Document leak from NodeFilter.

Source/bindings/v8/V8NodeFilterCondition.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 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 25 matching lines @@
 #include <v8.h>
 #include "wtf/PassRefPtr.h"
 
 namespace WebCore {
 
 class Node;
 class ScriptState;
 
 class V8NodeFilterCondition : public NodeFilterCondition {
 public:
-    static PassRefPtr<V8NodeFilterCondition> create(v8::Handle<v8::Value> filter)
+    static PassRefPtr<V8NodeFilterCondition> create(v8::Handle<v8::Value> filter, v8::Handle<v8::Object> owner)
     {
-        return adoptRef(new V8NodeFilterCondition(filter));
+        return adoptRef(new V8NodeFilterCondition(filter, owner));
     }
 
     virtual ~V8NodeFilterCondition();
 
     virtual short acceptNode(ScriptState*, Node*) const;
 
 private:
-    explicit V8NodeFilterCondition(v8::Handle<v8::Value> filter);
+    explicit V8NodeFilterCondition(v8::Handle<v8::Value> filter, v8::Handle<v8::Object> owner);
+
+    static void makeWeakCallback(v8::Isolate*, v8::Persistent<v8::Value>*, V8NodeFilterCondition*);
 
     ScopedPersistent<v8::Value> m_filter;
 };
 
 } // namespace WebCore
 
 #endif // V8NodeFilterCondition_h