Get rid of service_process_type header that is no longer with us.
Get rid of service_process_type header that is no longer with us.

BUG=none
TEST=build

Review URL: http://codereview.chromium.org/5127004

git-svn-id: http://src.chromium.org/svn/trunk/src@66508 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 56347a518d67be4e28de1d400f4bea09776ee4b4
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser