Run auto-formatter (autopep8) on webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/common/system/platforminfo.py

 # Copyright (c) 2011 Google Inc. All rights reserved.
 #
 # 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
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 57 matching lines @@
         return self._is_cygwin
 
     def is_linux(self):
         return self.os_name == 'linux'
 
     def is_freebsd(self):
         return self.os_name == 'freebsd'
 
     def is_highdpi(self):
         if self.is_mac():
-            output = self._executive.run_command(['system_profiler', 'SPDisplaysDataType'], error_handler=self._executive.ignore_error)
+            output = self._executive.run_command(['system_profiler', 'SPDisplaysDataType'],
+                                                 error_handler=self._executive.ignore_error)
             if output and 'Retina: Yes' in output:
                 return True
         return False
 
     def display_name(self):
         # platform.platform() returns Darwin information for Mac, which is just confusing.
         if self.is_mac():
             return "Mac OS X %s" % self._platform_module.mac_ver()[0]
 
         # Returns strings like:
@@ skipping 93 matching lines @@
         if hasattr(sys_module, 'getwindowsversion'):
             return sys_module.getwindowsversion()
         return self._win_version_tuple_from_cmd()
 
     def _win_version_tuple_from_cmd(self):
         # Note that this should only ever be called on windows, so this should always work.
         ver_output = self._executive.run_command(['cmd', '/c', 'ver'], decode_output=False)
         match_object = re.search(r'(?P<major>\d+)\.(?P<minor>\d)\.(?P<build>\d+)', ver_output)
         assert match_object, 'cmd returned an unexpected version string: ' + ver_output
         return tuple(map(int, match_object.groups()))