Run auto-formatter (autopep8) on webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/common/webkit_finder.py

 # Copyright (c) 2012 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 13 matching lines @@
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import os
 import sys
 
 
 class WebKitFinder(object):
+
     def __init__(self, filesystem):
         self._filesystem = filesystem
         self._dirsep = filesystem.sep
         self._sys_path = sys.path
         self._env_path = os.environ['PATH'].split(os.pathsep)
         self._webkit_base = None
         self._chromium_base = None
         self._depot_tools = None
 
     def webkit_base(self):
@@ skipping 56 matching lines @@
         prev_dir = ''
         current_dir = fs.dirname(self._webkit_base)
         while current_dir != prev_dir:
             if fs.exists(fs.join(current_dir, 'depot_tools', 'pylint.py')):
                 return fs.join(current_dir, 'depot_tools')
             prev_dir = current_dir
             current_dir = fs.dirname(current_dir)
 
     def path_from_depot_tools_base(self, *comps):
         return self._filesystem.join(self.depot_tools_base(), *comps)