Currently this mostly just moves code around.
- Later the different parts will become individual code objects that tailcall into one another.
- The mapcheck/symbol check still needs to be separated from the overall prototype-chain check so that the ICs can reuse the handlers.

Review URL: https://chromiumcodereview.appspot.com/12209021

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13768 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Order arguments of ComputeMonomorphicFlags to match ComputeFlags.

Review URL: https://chromiumcodereview.appspot.com/12226090

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13769 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix wrong test in r13766 (Insert conversion to string in string.replace).

R=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12315130

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@13770 ce2b1a6d-e550-0410-aec6-3dcde31c8c00