IDL: Drop value conversion (V8 -> C++) macros from generated code

Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor.cpp

Index: Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor.cpp
diff --git a/Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor.cpp b/Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor.cpp
index 11c500ab289452c58c4a78ba1b21b07154115524..bef035b225e82cdba8a2e72ad40e59faa4c4b1d6 100644
--- a/Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor.cpp
+++ b/Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor.cpp
@@ -83,12 +83,12 @@ static void V8TestInterfaceNamedConstructorConstructorCallback(const v8::Functio
     V8StringResource<> defaultNullStringOptionalstringArg;
     V8StringResource<> optionalStringArg;
     {
-        TOSTRING_VOID_INTERNAL(stringArg, info[0]);
+        TONATIVE_CONVERT((stringArg = info[0]).prepare(), return);
         defaultUndefinedOptionalBooleanArg = info[1]->BooleanValue();
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(defaultUndefinedOptionalLongArg, toInt32(info[2], exceptionState), exceptionState);
-        TOSTRING_VOID_INTERNAL(defaultUndefinedOptionalStringArg, info[3]);
+        TONATIVE_CONVERT(convertAndThrow(defaultUndefinedOptionalLongArg = toInt32(info[2], exceptionState), exceptionState), return);
+        TONATIVE_CONVERT((defaultUndefinedOptionalStringArg = info[3]).prepare(), return);
         if (!info[4]->IsUndefined()) {
-            TOSTRING_VOID_INTERNAL(defaultNullStringOptionalstringArg, info[4]);
+            TONATIVE_CONVERT((defaultNullStringOptionalstringArg = info[4]).prepare(), return);
         } else {
             defaultNullStringOptionalstringArg = nullptr;
         }
@@ -104,7 +104,7 @@ static void V8TestInterfaceNamedConstructorConstructorCallback(const v8::Functio
             v8SetReturnValue(info, wrapper);
             return;
         }
-        TOSTRING_VOID_INTERNAL(optionalStringArg, info[5]);
+        TONATIVE_CONVERT((optionalStringArg = info[5]).prepare(), return);
     }
     Document& document = *toDocument(currentExecutionContext(info.GetIsolate()));
     RefPtr<TestInterfaceNamedConstructor> impl = TestInterfaceNamedConstructor::createForJSConstructor(document, stringArg, defaultUndefinedOptionalBooleanArg, defaultUndefinedOptionalLongArg, defaultUndefinedOptionalStringArg, defaultNullStringOptionalstringArg, optionalStringArg, exceptionState);