Reland "Make Array.prototype.pop throw if the last element is not configurable."

This relands r17346.

R=machenbach@chromium.org
BUG=311164

Review URL: https://codereview.chromium.org/43923002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@17394 ce2b1a6d-e550-0410-aec6-3dcde31c8c00