This is another step for deprecating the change log file on bleeding edge.

BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/196283014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19902 ce2b1a6d-e550-0410-aec6-3dcde31c8c00