[WIP] bindings: Introduce PropertyBag

Source/bindings/tests/results/V8TestNode.h

Index: Source/bindings/tests/results/V8TestNode.h
diff --git a/Source/bindings/tests/results/V8TestNode.h b/Source/bindings/tests/results/V8TestNode.h
index 7dd258be9c3f47ed512149c6030f8cdb04b3ab96..2e0c13f7bc0846e150bc04e2d1a3591ad291581b 100644
--- a/Source/bindings/tests/results/V8TestNode.h
+++ b/Source/bindings/tests/results/V8TestNode.h
@@ -7,6 +7,7 @@
 #ifndef V8TestNode_h
 #define V8TestNode_h
 
+#include "bindings/core/v8/PropertyBagTraits.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMWrapper.h"
@@ -133,5 +134,10 @@ inline void v8SetReturnValueFast(const CallbackInfo& callbackInfo, PassRefPtrWil
     v8SetReturnValueFast(callbackInfo, impl.get(), wrappable);
 }
 
+template <>
+struct PropertyBagTraits<TestNode> {
+    typedef V8TestNode type;
+};
+
 } // namespace blink
 #endif // V8TestNode_h