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

Source/bindings/tests/results/core/V8TestInterface3.cpp

Index: Source/bindings/tests/results/core/V8TestInterface3.cpp
diff --git a/Source/bindings/tests/results/core/V8TestInterface3.cpp b/Source/bindings/tests/results/core/V8TestInterface3.cpp
index 14153ac35aaf1231f270c3599b9646d460d53c69..d7826f325dce4cd212d4e49fcda7eba2236313a7 100644
--- a/Source/bindings/tests/results/core/V8TestInterface3.cpp
+++ b/Source/bindings/tests/results/core/V8TestInterface3.cpp
@@ -94,7 +94,7 @@ static void voidMethodDocumentMethod(const v8::FunctionCallbackInfo<v8::Value>&
             exceptionState.throwIfNeeded();
             return;
         }
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(d, toRestrictedDouble(info[1], exceptionState), exceptionState);
+        TONATIVE_CONVERT(convertAndThrow(d = toRestrictedDouble(info[1], exceptionState), exceptionState), return);
     }
     TestPartialInterface4::voidMethodDocument(document, d);
 }
@@ -163,7 +163,7 @@ static void forEachMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
     {
         if (!info[0]->IsFunction()) {
             exceptionState.throwTypeError("The callback provided as parameter 1 is not a function.");
-                exceptionState.throwIfNeeded();
+            exceptionState.throwIfNeeded();
             return;
         }
         callback = ScriptValue(ScriptState::current(info.GetIsolate()), info[0]);