remove all old style callbacks - patch 2

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/17071004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15221 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
remove all old style callbacks - patch 1 of many

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/17064004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15222 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Directly use C++ builtin of ArrayPush for String.prototype.split.

R=svenpanne@chromium.org
BUG=v8:2737

Review URL: https://codereview.chromium.org/17283007

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15223 ce2b1a6d-e550-0410-aec6-3dcde31c8c00