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

Source/bindings/tests/results/core/V8TestTypedefs.cpp

Index: Source/bindings/tests/results/core/V8TestTypedefs.cpp
diff --git a/Source/bindings/tests/results/core/V8TestTypedefs.cpp b/Source/bindings/tests/results/core/V8TestTypedefs.cpp
index 14b31a796a855db8eba18ee9551948e1596171bb..1b468e594e131fd965fc4ebd8ff8a5a807bf1ad8 100644
--- a/Source/bindings/tests/results/core/V8TestTypedefs.cpp
+++ b/Source/bindings/tests/results/core/V8TestTypedefs.cpp
@@ -53,7 +53,7 @@ static void uLongLongAttributeAttributeSetter(v8::Local<v8::Value> v8Value, cons
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "uLongLongAttribute", "TestTypedefs", holder, info.GetIsolate());
     TestTypedefs* impl = V8TestTypedefs::toImpl(holder);
-    TONATIVE_VOID_EXCEPTIONSTATE(unsigned long long, cppValue, toUInt64(v8Value, exceptionState), exceptionState);
+    TONATIVE_DECLARE(unsigned long long, cppValue, convertAndThrow(cppValue = toUInt64(v8Value, exceptionState), exceptionState), return);
     impl->setULongLongAttribute(cppValue);
 }
 
@@ -95,7 +95,7 @@ static void voidMethodArrayOfLongsArgMethod(const v8::FunctionCallbackInfo<v8::V
             impl->voidMethodArrayOfLongsArg();
             return;
         }
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(arrayOfLongsArg, toImplArray<int>(info[0], 1, info.GetIsolate(), exceptionState), exceptionState);
+        TONATIVE_CONVERT(convertAndThrow(arrayOfLongsArg = toImplArray<int>(info[0], 1, info.GetIsolate(), exceptionState), exceptionState), return);
     }
     impl->voidMethodArrayOfLongsArg(arrayOfLongsArg);
 }
@@ -119,8 +119,8 @@ static void voidMethodFloatArgStringArgMethod(const v8::FunctionCallbackInfo<v8:
     float floatArg;
     V8StringResource<> stringArg;
     {
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(floatArg, toFloat(info[0], exceptionState), exceptionState);
-        TOSTRING_VOID_INTERNAL(stringArg, info[1]);
+        TONATIVE_CONVERT(convertAndThrow(floatArg = toFloat(info[0], exceptionState), exceptionState), return);
+        TONATIVE_CONVERT((stringArg = info[1]).prepare(), return);
     }
     impl->voidMethodFloatArgStringArg(floatArg, stringArg);
 }
@@ -168,7 +168,7 @@ static void uLongLongMethodTestInterfaceEmptyTypeSequenceArgMethod(const v8::Fun
     TestTypedefs* impl = V8TestTypedefs::toImpl(info.Holder());
     Vector<RefPtr<TestInterfaceEmpty>> testInterfaceEmptyTypeSequenceArg;
     {
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(testInterfaceEmptyTypeSequenceArg, (toRefPtrNativeArray<TestInterfaceEmpty, V8TestInterfaceEmpty>(info[0], 1, info.GetIsolate(), exceptionState)), exceptionState);
+        TONATIVE_CONVERT(convertAndThrow(testInterfaceEmptyTypeSequenceArg = (toRefPtrNativeArray<TestInterfaceEmpty, V8TestInterfaceEmpty>(info[0], 1, info.GetIsolate(), exceptionState)), exceptionState), return);
     }
     v8SetReturnValue(info, static_cast<double>(impl->uLongLongMethodTestInterfaceEmptyTypeSequenceArg(testInterfaceEmptyTypeSequenceArg)));
 }
@@ -221,7 +221,7 @@ static void arrayOfStringsMethodArrayOfStringsArgMethod(const v8::FunctionCallba
     TestTypedefs* impl = V8TestTypedefs::toImpl(info.Holder());
     Vector<String> arrayOfStringsArg;
     {
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(arrayOfStringsArg, toImplArray<String>(info[0], 1, info.GetIsolate(), exceptionState), exceptionState);
+        TONATIVE_CONVERT(convertAndThrow(arrayOfStringsArg = toImplArray<String>(info[0], 1, info.GetIsolate(), exceptionState), exceptionState), return);
     }
     v8SetReturnValue(info, toV8(impl->arrayOfStringsMethodArrayOfStringsArg(arrayOfStringsArg), info.Holder(), info.GetIsolate()));
 }
@@ -244,7 +244,7 @@ static void stringArrayMethodStringArrayArgMethod(const v8::FunctionCallbackInfo
     TestTypedefs* impl = V8TestTypedefs::toImpl(info.Holder());
     Vector<String> stringArrayArg;
     {
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(stringArrayArg, toImplArray<String>(info[0], 1, info.GetIsolate(), exceptionState), exceptionState);
+        TONATIVE_CONVERT(convertAndThrow(stringArrayArg = toImplArray<String>(info[0], 1, info.GetIsolate(), exceptionState), exceptionState), return);
     }
     v8SetReturnValue(info, toV8(impl->stringArrayMethodStringArrayArg(stringArrayArg), info.Holder(), info.GetIsolate()));
 }
@@ -264,7 +264,7 @@ static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info)
     }
     V8StringResource<> stringArg;
     {
-        TOSTRING_VOID_INTERNAL(stringArg, info[0]);
+        TONATIVE_CONVERT((stringArg = info[0]).prepare(), return);
     }
     RefPtr<TestTypedefs> impl = TestTypedefs::create(stringArg);
     v8::Local<v8::Object> wrapper = info.Holder();