IDL: Add PropertyBag class

Source/bindings/tests/results/V8TestInterfaceEventTarget.h

Index: Source/bindings/tests/results/V8TestInterfaceEventTarget.h
diff --git a/Source/bindings/tests/results/V8TestInterfaceEventTarget.h b/Source/bindings/tests/results/V8TestInterfaceEventTarget.h
index 15ea5f08aaa42eb8dd8f2ca88b2f5d9d0c3005a2..e53d7f7687b9c78db58038022f5fb07cb37de76d 100644
--- a/Source/bindings/tests/results/V8TestInterfaceEventTarget.h
+++ b/Source/bindings/tests/results/V8TestInterfaceEventTarget.h
@@ -7,6 +7,7 @@
 #ifndef V8TestInterfaceEventTarget_h
 #define V8TestInterfaceEventTarget_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"
@@ -137,5 +138,10 @@ inline void v8SetReturnValueFast(const CallbackInfo& callbackInfo, PassRefPtrWil
     v8SetReturnValueFast(callbackInfo, impl.get(), wrappable);
 }
 
+template <>
+struct PropertyBagTraits<TestInterfaceEventTarget> {
+    typedef V8TestInterfaceEventTarget type;
+};
+
 } // namespace blink
 #endif // V8TestInterfaceEventTarget_h