[WIP] bindings: Introduce PropertyBag

Source/bindings/tests/results/V8TestInterfaceConstructor4.h

Index: Source/bindings/tests/results/V8TestInterfaceConstructor4.h
diff --git a/Source/bindings/tests/results/V8TestInterfaceConstructor4.h b/Source/bindings/tests/results/V8TestInterfaceConstructor4.h
index 66daf7cfdfaa804b0dd9d095d931461533e607de..dd21c6e64cd758dd99830cd99f808b99d6938396 100644
--- a/Source/bindings/tests/results/V8TestInterfaceConstructor4.h
+++ b/Source/bindings/tests/results/V8TestInterfaceConstructor4.h
@@ -7,6 +7,7 @@
 #ifndef V8TestInterfaceConstructor4_h
 #define V8TestInterfaceConstructor4_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"
@@ -126,5 +127,10 @@ inline void v8SetReturnValueFast(const CallbackInfo& callbackInfo, PassRefPtr<Te
     v8SetReturnValueFast(callbackInfo, impl.get(), wrappable);
 }
 
+template <>
+struct PropertyBagTraits<TestInterfaceConstructor4> {
+    typedef V8TestInterfaceConstructor4 type;
+};
+
 } // namespace blink
 #endif // V8TestInterfaceConstructor4_h