[strong] fix strong object exception messages

test/message/strong-object-freeze-prop.out

Index: test/message/strong-object-freeze-prop.out
diff --git a/test/message/strong-object-freeze-prop.out b/test/message/strong-object-freeze-prop.out
new file mode 100644
index 0000000000000000000000000000000000000000..0c611c5928851801fcaa4cac0d9283ee9a66e13b
--- /dev/null
+++ b/test/message/strong-object-freeze-prop.out
@@ -0,0 +1,9 @@
+# Copyright 2015 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.
+*%(basename)s:11: TypeError: On strong object #<Object>, redefining writable, non-configurable property 'foo' to be non-writable is deprecated
+Object.defineProperty(o, "foo", { writable: false });
+       ^
+TypeError: On strong object #<Object>, redefining writable, non-configurable property 'foo' to be non-writable is deprecated
+    at Function.defineProperty (native)
+    at *%(basename)s:11:8