[WIP] bindings: Introduce PropertyBag

Source/bindings/tests/results/V8TestObject.cpp

Index: Source/bindings/tests/results/V8TestObject.cpp
diff --git a/Source/bindings/tests/results/V8TestObject.cpp b/Source/bindings/tests/results/V8TestObject.cpp
index a60bc0df0dd696a04870160fa8e2b62bebe201f6..7a7ad392e34f724d04d52a827e329d1ed618c36e 100644
--- a/Source/bindings/tests/results/V8TestObject.cpp
+++ b/Source/bindings/tests/results/V8TestObject.cpp
@@ -8244,13 +8244,14 @@ static void overloadedMethodJ1Method(const v8::FunctionCallbackInfo<v8::Value>&
 
 static void overloadedMethodJ2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodJ", "TestObject", info.Holder(), info.GetIsolate());
     TestObject* impl = V8TestObject::toImpl(info.Holder());
     TestDictionary* testDictionaryArg;
     {
         v8::TryCatch block;
         V8RethrowTryCatchScope rethrow(block);
         if (!info[0]->IsUndefined()) {
-            TONATIVE_VOID_INTERNAL(testDictionaryArg, V8TestDictionary::toImpl(info.GetIsolate(), info[0]));
+            TONATIVE_VOID_INTERNAL(testDictionaryArg, V8TestDictionary::toImpl(info.GetIsolate(), info[0], exceptionState));
         } else {
             testDictionaryArg = TestDictionary::create();
         }