IDL: Add PropertyBag class

Source/bindings/tests/results/V8TestInterfaceNode.h

Index: Source/bindings/tests/results/V8TestInterfaceNode.h
diff --git a/Source/bindings/tests/results/V8TestInterfaceNode.h b/Source/bindings/tests/results/V8TestInterfaceNode.h
index 29c5c37fb2fe13703c73b74d2dd6c77ff529070b..530de0c4aeda5189894f68fd465ec3f77ade32bc 100644
--- a/Source/bindings/tests/results/V8TestInterfaceNode.h
+++ b/Source/bindings/tests/results/V8TestInterfaceNode.h
@@ -7,6 +7,7 @@
 #ifndef V8TestInterfaceNode_h
 #define V8TestInterfaceNode_h
 
+#include "bindings/core/v8/PropertyBag.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMWrapper.h"
@@ -130,5 +131,10 @@ inline void v8SetReturnValueFast(const CallbackInfo& callbackInfo, PassRefPtrWil
     v8SetReturnValueFast(callbackInfo, impl.get(), wrappable);
 }
 
+template <>
+struct PropertyBagTraits<TestInterfaceNode> {
+    typedef V8TestInterfaceNode type;
+};
+
 } // namespace blink
 #endif // V8TestInterfaceNode_h