[api] Default native data property setter to replace the setter if the property is writable.

src/api-natives.cc

 // Copyright 2015 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/api-natives.h"
 
 #include "src/api.h"
 #include "src/isolate-inl.h"
 #include "src/lookup.h"
 #include "src/messages.h"
@@ skipping 184 matching lines @@
       auto prop_data = handle(GetIntrinsic(isolate, intrinsic), isolate);
 
       RETURN_ON_EXCEPTION(isolate, DefineDataProperty(isolate, obj, name,
                                                       prop_data, attributes),
                           JSObject);
     }
   }
   return obj;
 }
 
-
 MaybeHandle<JSObject> InstantiateObject(Isolate* isolate,
-                                        Handle<ObjectTemplateInfo> data) {
+                                        Handle<ObjectTemplateInfo> info) {
   // Enter a new scope.  Recursion could otherwise create a lot of handles.
   HandleScope scope(isolate);
   // Fast path.
   Handle<JSObject> result;
-  auto info = Handle<ObjectTemplateInfo>::cast(data);
   auto constructor = handle(info->constructor(), isolate);
   Handle<JSFunction> cons;
   if (constructor->IsUndefined()) {
     cons = isolate->object_function();
   } else {
     auto cons_templ = Handle<FunctionTemplateInfo>::cast(constructor);
     ASSIGN_RETURN_ON_EXCEPTION(
         isolate, cons, InstantiateFunction(isolate, cons_templ), JSFunction);
   }
   auto object = isolate->factory()->NewJSObject(cons);
@@ skipping 393 matching lines @@
     Handle<AccessorInfo> accessor(AccessorInfo::cast(array->get(i)));
     JSObject::SetAccessor(result, accessor).Assert();
   }
 
   DCHECK(result->shared()->IsApiFunction());
   return result;
 }
 
 }  // namespace internal
 }  // namespace v8