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

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestInterfaceNamedConstructor.h"
 
 #include "bindings/core/v8/ExceptionState.h"
@@ skipping 65 matching lines @@
         exceptionState.throwIfNeeded();
         return;
     }
     V8StringResource<> stringArg;
     bool defaultUndefinedOptionalBooleanArg;
     int defaultUndefinedOptionalLongArg;
     V8StringResource<> defaultUndefinedOptionalStringArg;
     V8StringResource<> defaultNullStringOptionalstringArg;
     V8StringResource<> optionalStringArg;
     {
-        TOSTRING_VOID_INTERNAL(stringArg, info[0]);
+        stringArg = info[0];
+        if (!stringArg.prepare())
+            return;
         defaultUndefinedOptionalBooleanArg = info[1]->BooleanValue();
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(defaultUndefinedOptionalLongArg, toInt32(info[2], exceptionState), exceptionState);
-        TOSTRING_VOID_INTERNAL(defaultUndefinedOptionalStringArg, info[3]);
+        defaultUndefinedOptionalLongArg = toInt32(info[2], exceptionState);
+        if (exceptionState.throwIfNeeded())
+            return;
+        defaultUndefinedOptionalStringArg = info[3];
+        if (!defaultUndefinedOptionalStringArg.prepare())
+            return;
         if (!info[4]->IsUndefined()) {
-            TOSTRING_VOID_INTERNAL(defaultNullStringOptionalstringArg, info[4]);
+            defaultNullStringOptionalstringArg = info[4];
+            if (!defaultNullStringOptionalstringArg.prepare())
+                return;
         } else {
             defaultNullStringOptionalstringArg = nullptr;
         }
         if (UNLIKELY(info.Length() <= 5)) {
             Document& document = *toDocument(currentExecutionContext(info.GetIsolate()));
             RefPtr<TestInterfaceNamedConstructor> impl = TestInterfaceNamedConstructor::createForJSConstructor(document, stringArg, defaultUndefinedOptionalBooleanArg, defaultUndefinedOptionalLongArg, defaultUndefinedOptionalStringArg, defaultNullStringOptionalstringArg, exceptionState);
             if (exceptionState.hadException()) {
                 exceptionState.throwIfNeeded();
                 return;
             }
             v8::Local<v8::Object> wrapper = info.Holder();
             impl->associateWithWrapper(info.GetIsolate(), &V8TestInterfaceNamedConstructorConstructor::wrapperTypeInfo, wrapper);
             v8SetReturnValue(info, wrapper);
             return;
         }
-        TOSTRING_VOID_INTERNAL(optionalStringArg, info[5]);
+        optionalStringArg = info[5];
+        if (!optionalStringArg.prepare())
+            return;
     }
     Document& document = *toDocument(currentExecutionContext(info.GetIsolate()));
     RefPtr<TestInterfaceNamedConstructor> impl = TestInterfaceNamedConstructor::createForJSConstructor(document, stringArg, defaultUndefinedOptionalBooleanArg, defaultUndefinedOptionalLongArg, defaultUndefinedOptionalStringArg, defaultNullStringOptionalstringArg, optionalStringArg, exceptionState);
     if (exceptionState.hadException()) {
         exceptionState.throwIfNeeded();
         return;
     }
     v8::Local<v8::Object> wrapper = info.Holder();
     impl->associateWithWrapper(info.GetIsolate(), &V8TestInterfaceNamedConstructorConstructor::wrapperTypeInfo, wrapper);
     v8SetReturnValue(info, wrapper);
@@ skipping 64 matching lines @@
 {
     scriptWrappable->toImpl<TestInterfaceNamedConstructor>()->ref();
 }
 
 void V8TestInterfaceNamedConstructor::derefObject(ScriptWrappable* scriptWrappable)
 {
     scriptWrappable->toImpl<TestInterfaceNamedConstructor>()->deref();
 }
 
 } // namespace blink