Remove Object::IsSpecObject, use Object::IsJSReceiver instead.

src/property-descriptor.cc

 // Copyright 2011 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/property-descriptor.h"
 
 #include "src/bootstrapper.h"
 #include "src/factory.h"
 #include "src/isolate-inl.h"
 #include "src/lookup.h"
@@ skipping 130 matching lines @@
 
 
 // ES6 6.2.4.5
 // Returns false in case of exception.
 // static
 bool PropertyDescriptor::ToPropertyDescriptor(Isolate* isolate,
                                               Handle<Object> obj,
                                               PropertyDescriptor* desc) {
   // 1. ReturnIfAbrupt(Obj).
   // 2. If Type(Obj) is not Object, throw a TypeError exception.
-  if (!obj->IsSpecObject()) {
+  if (!obj->IsJSReceiver()) {
     isolate->Throw(*isolate->factory()->NewTypeError(
         MessageTemplate::kPropertyDescObject, obj));
     return false;
   }
   // 3. Let desc be a new Property Descriptor that initially has no fields.
   DCHECK(desc->is_empty());
 
   if (ToPropertyDescriptorFastPath(isolate, obj, desc)) {
     return true;
   }
@@ skipping 129 matching lines @@
   //    Desc.[[Enumerable]] to like.[[Enumerable]].
   if (!desc->has_enumerable()) desc->set_enumerable(false);
   // 7. If Desc does not have a [[Configurable]] field, set
   //    Desc.[[Configurable]] to like.[[Configurable]].
   if (!desc->has_configurable()) desc->set_configurable(false);
   // 8. Return Desc.
 }
 
 }  // namespace internal
 }  // namespace v8