Reformat webkitpy.layout_tests w/ format-webkitpy.

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

Index: Tools/Scripts/webkitpy/layout_tests/port/win.py
diff --git a/Tools/Scripts/webkitpy/layout_tests/port/win.py b/Tools/Scripts/webkitpy/layout_tests/port/win.py
index f20649701f37f49f2ca69fc81eae00c7ac0d285d..40d8c6507fefe47cef3cbcc1b7696b789c1fbcf6 100644
--- a/Tools/Scripts/webkitpy/layout_tests/port/win.py
+++ b/Tools/Scripts/webkitpy/layout_tests/port/win.py
@@ -53,7 +53,7 @@ class WinPort(base.Port):
     # FIXME: Figure out how to unify this with base.TestConfiguration.all_systems()?
     SUPPORTED_VERSIONS = ('xp', 'win7')
 
-    FALLBACK_PATHS = { 'win7': [ 'win' ]}
+    FALLBACK_PATHS = {'win7': ['win']}
     FALLBACK_PATHS['xp'] = ['win-xp'] + FALLBACK_PATHS['win7']
 
     DEFAULT_BUILD_DIRECTORIES = ('build', 'out')
@@ -75,7 +75,7 @@ class WinPort(base.Port):
     def __init__(self, host, port_name, **kwargs):
         super(WinPort, self).__init__(host, port_name, **kwargs)
         self._version = port_name[port_name.index('win-') + len('win-'):]
-        assert self._version in self.SUPPORTED_VERSIONS, "%s is not in %s" % (self._version, self.SUPPORTED_VERSIONS)
+        assert self._version in self.SUPPORTED_VERSIONS, '%s is not in %s' % (self._version, self.SUPPORTED_VERSIONS)
         if not self.get_option('disable_breakpad'):
             self._dump_reader = DumpReaderWin(host, self._build_path())
             self._crash_service = None
@@ -99,7 +99,7 @@ class WinPort(base.Port):
                 res = self._check_reg(r'.cgi\Shell\ExecCGI\Command') and res
                 res = self._check_reg(r'.pl\Shell\ExecCGI\Command') and res
             else:
-                _log.warning("Could not check the registry; http may not work correctly.")
+                _log.warning('Could not check the registry; http may not work correctly.')
 
         return res
 
@@ -117,7 +117,7 @@ class WinPort(base.Port):
             # existing entry points to a valid path and has the right command line.
             if len(args) == 2 and self._filesystem.exists(args[0]) and args[0].endswith('perl.exe') and args[1] == '-wT':
                 return True
-        except WindowsError, e:
+        except WindowsError as e:
             if e.errno != errno.ENOENT:
                 raise e
             # The key simply probably doesn't exist.
@@ -136,7 +136,7 @@ class WinPort(base.Port):
 
         if not self.get_option('disable_breakpad'):
             assert not self._crash_service, 'Already running a crash service'
-            if self._crash_service_available == None:
+            if self._crash_service_available is None:
                 self._crash_service_available = self._check_crash_service_available()
             if not self._crash_service_available:
                 return
@@ -162,12 +162,12 @@ class WinPort(base.Port):
                 env[key] = value
 
         # Put the cygwin directory first in the path to find cygwin1.dll.
-        env["PATH"] = "%s;%s" % (self.path_from_chromium_base("third_party", "cygwin", "bin"), env["PATH"])
+        env['PATH'] = '%s;%s' % (self.path_from_chromium_base('third_party', 'cygwin', 'bin'), env['PATH'])
         # Configure the cygwin directory so that pywebsocket finds proper
         # python executable to run cgi program.
-        env["CYGWIN_PATH"] = self.path_from_chromium_base("third_party", "cygwin", "bin")
+        env['CYGWIN_PATH'] = self.path_from_chromium_base('third_party', 'cygwin', 'bin')
         if self.get_option('register_cygwin'):
-            setup_mount = self.path_from_chromium_base("third_party", "cygwin", "setup_mount.bat")
+            setup_mount = self.path_from_chromium_base('third_party', 'cygwin', 'setup_mount.bat')
             self._executive.run_command([setup_mount])  # Paths are all absolute, so this does not require a cwd.
         return env
 
@@ -229,7 +229,7 @@ class WinPort(base.Port):
 
     def _check_crash_service_available(self):
         """Checks whether the crash service binary is present."""
-        result = self._check_file_exists(self._path_to_crash_service(), "content_shell_crash_service.exe")
+        result = self._check_file_exists(self._path_to_crash_service(), 'content_shell_crash_service.exe')
         if not result:
             _log.error("    Could not find crash service, unexpected crashes won't be symbolized.")
             _log.error('    Did you build the target blink_tests?')