[webkitpy] Remove leftover changelog editor methods from User.

Tools/Scripts/webkitpy/common/system/user.py

 # Copyright (c) 2009, 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 25 matching lines @@
 import sys
 import webbrowser
 
 from webkitpy.common.system.executive import Executive
 from webkitpy.common.system.platforminfo import PlatformInfo
 
 
 _log = logging.getLogger(__name__)
 
 
-try:
-    import readline
-except ImportError:
-    if sys.platform != "win32":
-        # There is no readline module for win32, not much to do except cry.
-        _log.warn("Unable to import readline.")
-
-
 class User(object):
     DEFAULT_NO = 'n'
     DEFAULT_YES = 'y'
 
     def __init__(self, platforminfo=None):
         # We cannot get the PlatformInfo object from a SystemHost because
         # User is part of SystemHost itself.
         self._platforminfo = platforminfo or PlatformInfo(sys, platform, Executive())
 
     # FIXME: These are @classmethods because bugzilla.py doesn't have a Tool object (thus no User instance).
@@ skipping 57 matching lines @@
             i += 1
             print "%2d. %s" % (i, item)
         return cls._wait_on_list_response(list_items, can_choose_multiple, raw_input)
 
     def edit(self, files):
         editor = os.environ.get("EDITOR") or "vi"
         args = shlex.split(editor)
         # Note: Not thread safe: http://bugs.python.org/issue2320
         subprocess.call(args + files)
 
-    def _warn_if_application_is_xcode(self, edit_application):
-        if "Xcode" in edit_application:
-            print "Instead of using Xcode.app, consider using EDITOR=\"xed --wait\"."
-
-    def edit_changelog(self, files):
-        edit_application = os.environ.get("CHANGE_LOG_EDIT_APPLICATION")
-        if edit_application and self._platforminfo.is_mac():
-            # On Mac we support editing ChangeLogs using an application.
-            args = shlex.split(edit_application)
-            print "Using editor in the CHANGE_LOG_EDIT_APPLICATION environment variable."
-            print "Please quit the editor application when done editing."
-            self._warn_if_application_is_xcode(edit_application)
-            subprocess.call(["open", "-W", "-n", "-a"] + args + files)
-            return
-        self.edit(files)
-
     def page(self, message):
         pager = os.environ.get("PAGER") or "less"
         try:
             # Note: Not thread safe: http://bugs.python.org/issue2320
             child_process = subprocess.Popen([pager], stdin=subprocess.PIPE)
             child_process.communicate(input=message)
         except IOError, e:
             pass
 
     def confirm(self, message=None, default=DEFAULT_YES, raw_input=raw_input):
         if not message:
             message = "Continue?"
         choice = {'y': 'Y/n', 'n': 'y/N'}[default]
         response = raw_input("%s [%s]: " % (message, choice))
         if not response:
             response = default
         return response.lower() == 'y'
 
     def can_open_url(self):
         try:
             webbrowser.get()
             return True
         except webbrowser.Error, e:
             return False
 
     def open_url(self, url):
         if not self.can_open_url():
             _log.warn("Failed to open %s" % url)
         webbrowser.open(url)