Introduce WPTServe for running W3C Blink Layout tests

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

Index: Tools/Scripts/webkitpy/layout_tests/controllers/manager.py
diff --git a/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py b/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py
index 41100e70c5a8da2566c4ebec7da28e03868760fa..bd16eed59cde55a3fc399376c3c0033dfddb429b 100644
--- a/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py
+++ b/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py
@@ -85,6 +85,7 @@ class Manager(object):
         self.LAYOUT_TESTS_DIRECTORY = 'LayoutTests'
         self.ARCHIVED_RESULTS_LIMIT = 25
         self._http_server_started = False
+        self._wptserve_started = False
         self._websockets_server_started = False
 
         self._results_directory = self._port.results_directory()
@@ -332,6 +333,11 @@ class Manager(object):
         return self._runner.run_tests(self._expectations, test_inputs, tests_to_skip, num_workers, retrying)
 
     def _start_servers(self, tests_to_run):
+        if self._port.is_wpt_enabled() and any(self._port.is_wpt_test(test) for test in tests_to_run):
+            self._printer.write_update('Starting WPTServe ...')
+            self._port.start_wptserve()
+            self._wptserve_started = True
+
         if self._port.requires_http_server() or any((self._is_http_test(test) or self._is_inspector_test(test)) for test in tests_to_run):
             self._printer.write_update('Starting HTTP server ...')
             self._port.start_http_server(additional_dirs={}, number_of_drivers=self._options.max_locked_shards)
@@ -343,6 +349,10 @@ class Manager(object):
             self._websockets_server_started = True
 
     def _stop_servers(self):
+        if self._wptserve_started:
+            self._printer.write_update('Stopping WPTServe ...')
+            self._wptserve_started = False
+            self._port.stop_wptserve()
         if self._http_server_started:
             self._printer.write_update('Stopping HTTP server ...')
             self._http_server_started = False
@@ -352,6 +362,7 @@ class Manager(object):
             self._websockets_server_started = False
             self._port.stop_websocket_server()
 
+

[Dirk Pranke, 2015/06/05 18:27:48]

nit: you only need one blank line between class methods.

[burnik, 2015/06/08 12:37:01]

Done.

     def _clean_up_run(self):
         _log.debug("Flushing stdout")
         sys.stdout.flush()