Remove unncessary extern'ed constants and #include from socket_api.h

R=miket@chromium.org


Review URL: https://chromiumcodereview.appspot.com/10446022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@138943 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed