Make docstrings more consistent using format-webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/bindings/print_idl_diff.py

 #!/usr/bin/env python
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Print a diff generated by generate_idl_diff.py.
 Before printing, sort the diff in the alphabetical order or the order of
 diffing tags.
 Usage: print_idl_diff.py diff_file.json order
     diff.json:
@@ skipping 97 matching lines @@
     BLACK = 30
     RED = 31
     GREEN = 32
     YELLOW = 33
     COLORS = (BLACK, RED, GREEN, YELLOW)
 
     def __init__(self, out):
         self.out = out
 
     def reset_color(self):
-        """Reset text's color to default.
-        """
+        """Reset text's color to default."""
         self.out.write('\033[0m')
 
     def change_color(self, color):
         """Change text's color by specifing arguments.
             Args:
                 color: A new color to change. It should be one of |COLORS|.
-        """
+            """
         if color in self.COLORS:
             self.out.write('\033[' + str(color) + 'm')
         else:
             raise Exception('Unsupported color.')
 
     def writeln(self, string):
-        """Print text with a line-break.
-        """
+        """Print text with a line-break."""
         self.out.write(string + '\n')
 
     def write(self, string):
-        """Print text without a line-break.
-        """
+        """Print text without a line-break."""
         self.out.write(string)
 
 
 def sort_member_types(interface):
     """Sort the members in the order of EXTATTRIBUTES_AND_MEMBER_TYPES.
     Args:
         interface: An "interface" object
     Returns:
         A sorted "interface" object
     """
@@ skipping 277 matching lines @@
     else:
         print_usage()
         exit(1)
     sorted_diff = sort_func(diff)
     out = Colorize(sys.stdout)
     print_diff(sorted_diff, out)
 
 
 if __name__ == '__main__':
     main(sys.argv[1:])