Reland r20932: "*NumberDictionary::AtNumberPut() handlified."

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/254593002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20934 ce2b1a6d-e550-0410-aec6-3dcde31c8c00