Rename service subdir under chrome/browser to service_process
It is renamed because we're going to add new "services" directory which holds all google services related codes, like sync, invalidation and signin. We do not want to have both "service" and "services" to cause the confusion. Since all codes under "service" deal purely with service process, we would like to rename it to "service_process".
BUG=none
TEST=none due to that this is just a dir renaming
R=thakis@chromium.org, vitalybuka@chromium.org
Review URL: https://codereview.chromium.org/
57383010
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233023 0039d316-1c4b-4281-b951-d872f2087c98