Changed JSObject::DefineGetterSetter to also set the right attributes when an existing accessor is redefined (a configurable accessor can potentially be redefined as a non-configurable (i.e., DONT_DELETE)).
Changed JSObject::DefineGetterSetter to also set the right attributes
when an existing accessor is redefined (a configurable accessor can
potentially be redefined as a non-configurable (i.e., DONT_DELETE)).


Review URL: http://codereview.chromium.org/556040

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@3719 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh