Reformat webkitpy.layout_tests w/ format-webkitpy.

Tools/Scripts/webkitpy/layout_tests/port/config.py

Index: Tools/Scripts/webkitpy/layout_tests/port/config.py
diff --git a/Tools/Scripts/webkitpy/layout_tests/port/config.py b/Tools/Scripts/webkitpy/layout_tests/port/config.py
index 85e517ff3e27f7cad62b489c151285aae761cc2e..3aa4fd6df053bb48b6aa8d1f381a2ab4c63f4435 100644
--- a/Tools/Scripts/webkitpy/layout_tests/port/config.py
+++ b/Tools/Scripts/webkitpy/layout_tests/port/config.py
@@ -38,8 +38,8 @@ _log = logging.getLogger(__name__)
 
 class Config(object):
     _FLAGS_FROM_CONFIGURATIONS = {
-        "Debug": "--debug",
-        "Release": "--release",
+        'Debug': '--debug',
+        'Release': '--release',
     }
 
     def __init__(self, executive, filesystem, port_implementation=None):
@@ -53,9 +53,9 @@ class Config(object):
     def build_directory(self, configuration):
         """Returns the path to the build directory for the configuration."""
         if configuration:
-            flags = ["--configuration", self.flag_for_configuration(configuration)]
+            flags = ['--configuration', self.flag_for_configuration(configuration)]
         else:
-            configuration = ""
+            configuration = ''
             flags = []
 
         if self._port_implementation: