Revert r14310 due to isolate tests failure.

R=mstarzinger@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/14021004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14334 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Prepare push to trunk.  Now working on version 3.18.2.

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/14356002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14335 ce2b1a6d-e550-0410-aec6-3dcde31c8c00