Revert of Use instance type in Object::IsErrorObject().

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 138 matching lines @@
 TYPE_CHECKER(HeapNumber, HEAP_NUMBER_TYPE)
 TYPE_CHECKER(MutableHeapNumber, MUTABLE_HEAP_NUMBER_TYPE)
 TYPE_CHECKER(Symbol, SYMBOL_TYPE)
 TYPE_CHECKER(Simd128Value, SIMD128_VALUE_TYPE)
 
 #define SIMD128_TYPE_CHECKER(TYPE, Type, type, lane_count, lane_type) \
   bool HeapObject::Is##Type() const { return map() == GetHeap()->type##_map(); }
 SIMD128_TYPES(SIMD128_TYPE_CHECKER)
 #undef SIMD128_TYPE_CHECKER
 
+// TODO(cbruni): remove once all the isolate-based versions are in place.
 #define IS_TYPE_FUNCTION_DEF(type_)                               \
   bool Object::Is##type_() const {                                \
     return IsHeapObject() && HeapObject::cast(this)->Is##type_(); \
   }
 HEAP_OBJECT_TYPE_LIST(IS_TYPE_FUNCTION_DEF)
 #undef IS_TYPE_FUNCTION_DEF
 
 #define IS_TYPE_FUNCTION_DEF(Type, Value)             \
   bool Object::Is##Type(Isolate* isolate) const {     \
     return this == isolate->heap()->Value();          \
@@ skipping 610 matching lines @@
   return obj->IsJSFunction();
 }
 
 
 TYPE_CHECKER(Code, CODE_TYPE)
 TYPE_CHECKER(Oddball, ODDBALL_TYPE)
 TYPE_CHECKER(Cell, CELL_TYPE)
 TYPE_CHECKER(PropertyCell, PROPERTY_CELL_TYPE)
 TYPE_CHECKER(WeakCell, WEAK_CELL_TYPE)
 TYPE_CHECKER(SharedFunctionInfo, SHARED_FUNCTION_INFO_TYPE)
-TYPE_CHECKER(JSDate, JS_DATE_TYPE)
-TYPE_CHECKER(JSError, JS_ERROR_TYPE)
 TYPE_CHECKER(JSGeneratorObject, JS_GENERATOR_OBJECT_TYPE)
-TYPE_CHECKER(JSMessageObject, JS_MESSAGE_OBJECT_TYPE)
 TYPE_CHECKER(JSModule, JS_MODULE_TYPE)
 TYPE_CHECKER(JSValue, JS_VALUE_TYPE)
+TYPE_CHECKER(JSDate, JS_DATE_TYPE)
+TYPE_CHECKER(JSMessageObject, JS_MESSAGE_OBJECT_TYPE)
 
 bool HeapObject::IsAbstractCode() const {
   return IsBytecodeArray() || IsCode();
 }
 
 bool HeapObject::IsStringWrapper() const {
   return IsJSValue() && JSValue::cast(this)->value()->IsString();
 }
 
 
@@ skipping 7129 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_