Clean up weak objects in optimized code.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 3156edc1420261c7033d53f68b826e96520f031b..f4673a1c05f6d5d2ee81f6ec9e15d9e842ba580b 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -11267,24 +11267,6 @@ MaybeObject* JSObject::SetFastElementsCapacityAndLength(
 }
 
 
-bool Code::IsWeakEmbeddedObject(Kind kind, Object* object) {
-  if (kind != Code::OPTIMIZED_FUNCTION) return false;
-
-  if (object->IsMap()) {
-    return Map::cast(object)->CanTransition() &&
-           FLAG_collect_maps &&
-           FLAG_weak_embedded_maps_in_optimized_code;
-  }
-
-  if (object->IsJSObject() ||
-      (object->IsCell() && Cell::cast(object)->value()->IsJSObject())) {
-    return FLAG_weak_embedded_objects_in_optimized_code;
-  }
-
-  return false;
-}
-
-
 void JSObject::SetFastDoubleElementsCapacityAndLength(Handle<JSObject> object,
                                                       int capacity,
                                                       int length) {