Transform XML tree viewer to blink-in-js implementation.

Source/core/xml/XMLTreeViewer.h

Index: Source/core/xml/XMLTreeViewer.h
diff --git a/Source/core/xml/XMLTreeViewer.h b/Source/core/xml/XMLTreeViewer.h
index b843475cb08063c2092fa65e07eaac959d50f45f..0ea3013cf819da60f8464edeb7245647bab4758c 100644
--- a/Source/core/xml/XMLTreeViewer.h
+++ b/Source/core/xml/XMLTreeViewer.h
@@ -29,21 +29,18 @@
 #ifndef XMLTreeViewer_h
 #define XMLTreeViewer_h
 
+#include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class Document;
 
-class XMLTreeViewer FINAL {
+class XMLTreeViewer FINAL : public GarbageCollectedFinalized<XMLTreeViewer>, public ScriptWrappable {

[vivekg, 2014/08/26 05:41:48]

Can't we generate this class automatically? As can be seen, there isn't any work
done by this class specifically.

[haraken, 2014/08/26 05:57:48]

This class shouldn't be necessary at all. We need to improve the IDL compiler so
that it doesn't generate code that requires XMLTreeViewer.

     STACK_ALLOCATED();
 public:
-    explicit XMLTreeViewer(Document*);
-
-    void transformDocumentToTreeView();
-
-private:
-    RawPtrWillBeMember<Document> m_document;
+    explicit XMLTreeViewer() { ScriptWrappable::init(this); }
+    void trace(Visitor*) { }
 };
 
 } // namespace blink