Refactor Object::SetSuperProperty and others.

src/ic/ic.cc

Index: src/ic/ic.cc
diff --git a/src/ic/ic.cc b/src/ic/ic.cc
index f4ab98839d32510116e06d64c6bee1dc8ee19fed..210fd8846079a8a53631a32ef0c8d4e8e34016d1 100644
--- a/src/ic/ic.cc
+++ b/src/ic/ic.cc
@@ -1586,12 +1586,9 @@ MaybeHandle<Object> StoreIC::Store(Handle<Object> object, Handle<Name> name,
   LookupIterator it(object, name);
   if (FLAG_use_ic) UpdateCaches(&it, value, store_mode);
 
-  // Set the property.
-  Handle<Object> result;
-  ASSIGN_RETURN_ON_EXCEPTION(
-      isolate(), result,
-      Object::SetProperty(&it, value, language_mode(), store_mode), Object);
-  return result;
+  MAYBE_RETURN_NULL(
+      Object::SetProperty(&it, value, language_mode(), store_mode));
+  return value;
 }