Make sure builtin functions don't rely on __proto__.

Make sure builtin functions don't rely on __proto__.

This makes sure that none of the builtin functions rely on the __proto__
accessor which can now be monkey-patched by applications. Instead use a
separate %SetPrototype() intrinsic or object literals to do the job.

R=rossberg@chromium.org

Committed: http://code.google.com/p/v8/source/detail?r=13815

[rossberg, 2013-03-04 15:07:04]

lgtm

[Michael Starzinger, 2013-03-04 16:05:23]

Committed patchset #1 manually as r13815 (presubmit successful).