[runtime] Remove obsolete Object::IsSpecFunction.

src/objects-inl.h

 // Copyright 2012 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 180 matching lines @@
   return Object::IsHeapObject() && HeapObject::cast(this)->map()->is_callable();
 }
 
 
 bool Object::IsSpecObject() const {
   return Object::IsHeapObject()
     && HeapObject::cast(this)->map()->instance_type() >= FIRST_SPEC_OBJECT_TYPE;
 }
 
 
-// TODO(rossberg): Remove this and use the spec compliant IsCallable instead.
-bool Object::IsSpecFunction() const {
-  if (!Object::IsHeapObject()) return false;
-  InstanceType type = HeapObject::cast(this)->map()->instance_type();
-  return type == JS_FUNCTION_TYPE || type == JS_FUNCTION_PROXY_TYPE;
-}
-
-
 bool Object::IsTemplateInfo() const {
   return IsObjectTemplateInfo() || IsFunctionTemplateInfo();
 }
 
 
 bool Object::IsInternalizedString() const {
   if (!this->IsHeapObject()) return false;
   uint32_t type = HeapObject::cast(this)->map()->instance_type();
   STATIC_ASSERT(kNotInternalizedTag != 0);
   return (type & (kIsNotStringMask | kIsNotInternalizedMask)) ==
@@ skipping 7133 matching lines @@
   return (getter() == getter_value) && (setter() == setter_value);
 }
 
 
 bool AccessorPair::ContainsAccessor() {
   return IsJSAccessor(getter()) || IsJSAccessor(setter());
 }
 
 
 bool AccessorPair::IsJSAccessor(Object* obj) {
-  return obj->IsSpecFunction() || obj->IsUndefined();
+  return obj->IsCallable() || obj->IsUndefined();
 }
 
 
 template<typename Derived, typename Shape, typename Key>
 void Dictionary<Derived, Shape, Key>::SetEntry(int entry,
                                                Handle<Object> key,
                                                Handle<Object> value) {
   this->SetEntry(entry, key, value, PropertyDetails(Smi::FromInt(0)));
 }
 
@@ skipping 642 matching lines @@
 #undef READ_INT64_FIELD
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_