Revert "Refactoring PropertyCallbackInfo & FunctionCallbackInfo, step 1."

TBR=marja@chromium.org

Review URL: https://codereview.chromium.org/23431019

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16675 ce2b1a6d-e550-0410-aec6-3dcde31c8c00