[WIP] bindings: Introduce PropertyBag

Source/bindings/tests/results/V8TestInterfaceConstructor.h

Index: Source/bindings/tests/results/V8TestInterfaceConstructor.h
diff --git a/Source/bindings/tests/results/V8TestInterfaceConstructor.h b/Source/bindings/tests/results/V8TestInterfaceConstructor.h
index 7984bfe20d630451375b20bdf7bb31685c71073f..9104bcbe1ed5fd6d3aa6e17c7615a8b9a5d7db5a 100644
--- a/Source/bindings/tests/results/V8TestInterfaceConstructor.h
+++ b/Source/bindings/tests/results/V8TestInterfaceConstructor.h
@@ -7,6 +7,7 @@
 #ifndef V8TestInterfaceConstructor_h
 #define V8TestInterfaceConstructor_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"
@@ -132,5 +133,10 @@ inline void v8SetReturnValueFast(const CallbackInfo& callbackInfo, PassRefPtr<Te
     v8SetReturnValueFast(callbackInfo, impl.get(), wrappable);
 }
 
+template <>
+struct PropertyBagTraits<TestInterfaceConstructor> {
+    typedef V8TestInterfaceConstructor type;
+};
+
 } // namespace blink
 #endif // V8TestInterfaceConstructor_h