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

src/runtime/runtime-object.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 "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
 #include "src/isolate-inl.h"
@@ skipping 1245 matching lines @@
   CONVERT_ARG_CHECKED(Object, obj1, 0);
   CONVERT_ARG_CHECKED(Object, obj2, 1);
   return isolate->heap()->ToBoolean(obj1 == obj2);
 }
 
 
 RUNTIME_FUNCTION(Runtime_IsSpecObject) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(Object, obj, 0);
-  return isolate->heap()->ToBoolean(obj->IsSpecObject());
+  return isolate->heap()->ToBoolean(obj->IsJSReceiver());
 }
 
 
 RUNTIME_FUNCTION(Runtime_IsStrong) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(Object, obj, 0);
   return isolate->heap()->ToBoolean(obj->IsJSReceiver() &&
                                     JSReceiver::cast(obj)->map()->is_strong());
 }
@@ skipping 297 matching lines @@
 
 RUNTIME_FUNCTION(Runtime_ObjectDefineProperties) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(Object, o, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, properties, 1);
   return JSReceiver::DefineProperties(isolate, o, properties);
 }
 }  // namespace internal
 }  // namespace v8