Remove unused methods in webkitpy/layout_tests/.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py
index d51c1205d8de3714c0abb51d30c1f45c51519adf..f05e102a5e7762971b23872eafcbaf87d9fccf12 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py
@@ -139,27 +139,6 @@ class PortTestCase(LoggingTestCase):
         self.assertTrue('--foo=bar' in cmd_line)
         self.assertTrue('--foo=baz' in cmd_line)
 
-    def assert_servers_are_down(self, host, ports):
-        for port in ports:
-            try:
-                test_socket = socket.socket()
-                test_socket.connect((host, port))
-                self.fail()
-            except IOError as error:
-                self.assertTrue(error.errno in (errno.ECONNREFUSED, errno.ECONNRESET))
-            finally:
-                test_socket.close()
-
-    def assert_servers_are_up(self, host, ports):
-        for port in ports:
-            try:
-                test_socket = socket.socket()
-                test_socket.connect((host, port))
-            except IOError:
-                self.fail('failed to connect to %s:%d' % (host, port))
-            finally:
-                test_socket.close()
-
     def test_diff_image__missing_both(self):
         port = self.make_port()
         self.assertEqual(port.diff_image(None, None), (None, None))