Fix run-blink-httpd to work w/ Apache and refactor webkitpy.layout_tests.servers.

Tools/Scripts/webkitpy/layout_tests/controllers/manager_unittest.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 # Copyright (C) 2010 Gabor Rapcsanyi (rgabor@inf.u-szeged.hu), University of Szeged
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 42 matching lines @@
         self.assertFalse(manager.needs_servers(['fast/html']))
 
         manager = get_manager()
         self.assertTrue(manager.needs_servers(['http/tests/misc']))
 
     def test_servers_started(self):
         def get_manager(port):
             manager = Manager(port, options=MockOptions(http=True, max_locked_shards=1), printer=Mock())
             return manager
 
-        def start_http_server(number_of_servers=None):
+        def start_http_server(number_of_drivers):
             self.http_started = True
 
         def start_websocket_server():
             self.websocket_started = True
 
         def stop_http_server():
             self.http_stopped = True
 
         def stop_websocket_server():
             self.websocket_stopped = True
@@ skipping 37 matching lines @@
             port = host.port_factory.get('test-mac-leopard')
             manager = Manager(port, options=MockOptions(test_list=None, http=True, max_locked_shards=1), printer=Mock())
             return manager
         host = MockHost()
         port = host.port_factory.get('test-mac-leopard')
         tests = ['failures/expected/crash.html']
         expectations = test_expectations.TestExpectations(port, tests)
         run_results = TestRunResults(expectations, len(tests))
         manager = get_manager()
         manager._look_for_new_crash_logs(run_results, time.time())