[WIP] bindings: Introduce PropertyBag

Source/bindings/tests/results/V8TestInterfaceConstructor3.h

Index: Source/bindings/tests/results/V8TestInterfaceConstructor3.h
diff --git a/Source/bindings/tests/results/V8TestInterfaceConstructor3.h b/Source/bindings/tests/results/V8TestInterfaceConstructor3.h
index a332fca229ed42d770c15cfe59ab583b50833064..d7993d2592c314cd39edd2afb53ed88598a9e36b 100644
--- a/Source/bindings/tests/results/V8TestInterfaceConstructor3.h
+++ b/Source/bindings/tests/results/V8TestInterfaceConstructor3.h
@@ -7,6 +7,7 @@
 #ifndef V8TestInterfaceConstructor3_h
 #define V8TestInterfaceConstructor3_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<TestInterfaceConstructor3> {
+    typedef V8TestInterfaceConstructor3 type;
+};
+
 } // namespace blink
 #endif // V8TestInterfaceConstructor3_h