TEST=Compiling Chromium with -Duse_system_v8 no longer prints a GYP warning about "invalid type 'settings'".

Review URL: http://codereview.chromium.org/8256008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9599 ce2b1a6d-e550-0410-aec6-3dcde31c8c00