Revert of Replace all remaining Oddball checks with new function

src/runtime/runtime-classes.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include <stdlib.h>
 #include <limits>
 
 #include "src/arguments.h"
@@ skipping 73 matching lines @@
 static MaybeHandle<Object> DefineClass(Isolate* isolate,
                                        Handle<Object> super_class,
                                        Handle<JSFunction> constructor,
                                        int start_position, int end_position) {
   Handle<Object> prototype_parent;
   Handle<Object> constructor_parent;
 
   if (super_class->IsTheHole(isolate)) {
     prototype_parent = isolate->initial_object_prototype();
   } else {
-    if (super_class->IsNull(isolate)) {
+    if (super_class->IsNull()) {
       prototype_parent = isolate->factory()->null_value();
     } else if (super_class->IsConstructor()) {
       DCHECK(!super_class->IsJSFunction() ||
              !Handle<JSFunction>::cast(super_class)->shared()->is_resumable());
       ASSIGN_RETURN_ON_EXCEPTION(
           isolate, prototype_parent,
           Runtime::GetObjectProperty(isolate, super_class,
                                      isolate->factory()->prototype_string()),
           Object);
-      if (!prototype_parent->IsNull(isolate) &&
-          !prototype_parent->IsJSReceiver()) {
+      if (!prototype_parent->IsNull() && !prototype_parent->IsJSReceiver()) {
         THROW_NEW_ERROR(
             isolate, NewTypeError(MessageTemplate::kPrototypeParentNotAnObject,
                                   prototype_parent),
             Object);
       }
       constructor_parent = super_class;
     } else {
       THROW_NEW_ERROR(isolate,
                       NewTypeError(MessageTemplate::kExtendsValueNotConstructor,
                                    super_class),
@@ skipping 274 matching lines @@
 
 RUNTIME_FUNCTION(Runtime_GetSuperConstructor) {
   SealHandleScope shs(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_CHECKED(JSFunction, active_function, 0);
   return active_function->map()->prototype();
 }
 
 }  // namespace internal
 }  // namespace v8