Adding GetMoreGeneralElementsKind in elements-kind.h

src/ic/ic.cc

Index: src/ic/ic.cc
diff --git a/src/ic/ic.cc b/src/ic/ic.cc
index 85e3f3c889e0e0a617760eb3d3e1e49b05f2a8f4..3ea251cd7b52e9569ff156d9f83d8eae20056cff 100644
--- a/src/ic/ic.cc
+++ b/src/ic/ic.cc
@@ -275,11 +275,8 @@ bool IC::TryRemoveInvalidPrototypeDependentStub(Handle<Object> receiver,
     if (first_map == NULL) return false;
     Handle<Map> old_map(first_map);
     if (old_map->is_deprecated()) return true;
-    if (IsMoreGeneralElementsKindTransition(old_map->elements_kind(),
-                                            receiver_map()->elements_kind())) {
-      return true;
-    }
-    return false;
+    return IsMoreGeneralElementsKindTransition(old_map->elements_kind(),
+                                               receiver_map()->elements_kind());
   }
 
   CacheHolderFlag flag;