Add windows installer functionallity to editor build script.

tools/bots/bot_utils.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 import hashlib
 import imp
 import os
 import subprocess
@@ skipping 81 matching lines @@
   # Functions for quering complete gs:// filepaths
 
   def version_filepath(self, revision):
     return '%s/channels/%s/%s/%s/VERSION' % (self.bucket, self.channel,
         self.release_type, revision)
 
   def editor_zipfilepath(self, revision, system, arch):
     return '/'.join([self.editor_directory(revision),
       self.editor_zipfilename(system, arch)])
 
-  def editor_installer_zipfilepath(self, revision, system, arch, extension):
+  def editor_installer_filepath(self, revision, system, arch, extension):
     return '/'.join([self.editor_directory(revision),
-      self.editor_installer_zipfilename(system, arch, extension)])
+      self.editor_installer_filename(system, arch, extension)])
 
   def sdk_zipfilepath(self, revision, system, arch, mode):
     return '/'.join([self.sdk_directory(revision),
       self.sdk_zipfilename(system, arch, mode)])
 
   def dartium_variant_zipfilepath(self, revision, name, system, arch, mode):
     return '/'.join([self.dartium_directory(revision),
       self.dartium_variant_zipfilename(name, system, arch, mode)])
 
   def apidocs_zipfilepath(self, revision):
@@ skipping 26 matching lines @@
 
   # Functions for quering filenames
 
   def apidocs_zipfilename(self):
     return 'dart-api-docs.zip'
 
   def editor_zipfilename(self, system, arch):
     return 'darteditor-%s-%s.zip' % (
         SYSTEM_RENAMES[system], ARCH_RENAMES[arch])
 
-  def editor_installer_zipfilename(self, system, arch, extension):
-    assert extension in ['dmg']
+  def editor_installer_filename(self, system, arch, extension):
+    assert extension in ['dmg', 'msi']
     return 'darteditor-installer-%s-%s.%s' % (
         SYSTEM_RENAMES[system], ARCH_RENAMES[arch], extension)
 
   def sdk_zipfilename(self, system, arch, mode):
     assert mode in Mode.ALL_MODES
     return 'dartsdk-%s-%s-%s.zip' % (
         SYSTEM_RENAMES[system], ARCH_RENAMES[arch], mode)
 
   def dartium_variant_zipfilename(self, name, system, arch, mode):
     assert name in ['chromedriver', 'dartium', 'content_shell']
@@ skipping 96 matching lines @@
   if not mangled_filename:
     mangled_filename = os.path.basename(filename)
 
   checksum = CalculateChecksum(filename)
   checksum_filename = '%s.md5sum' % filename
 
   with open(checksum_filename, 'w') as f:
     f.write('%s *%s' % (checksum, mangled_filename))
 
   return checksum_filename