Introduce a device setting controlling allowed connection types for AU.

chrome/test/functional/policy_test_cases.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 # This data is in a separate file so that src/chrome/app/policy/PRESUBMIT.py
 # can load it too without having to load pyautolib.
 
 # DO NOT import pyauto from here! This file is required to run a presubmit
 # scripts that will always fail if pyautolib isn't available, which is common.
@@ skipping 255 matching lines @@
     'DeviceEphemeralUsersEnabled': (None, True, [], ['chromeos']),
     'DeviceIdleLogoutTimeout': (None, 60000, [], ['chromeos']),
     'DeviceIdleLogoutWarningDuration': (None, 15000, [], ['chromeos']),
     'DeviceLoginScreenSaverId':
         (None, 'lcncmkcnkcdbbanbjakcencbaoegdjlp', [], ['chromeos']),
     'DeviceLoginScreenSaverTimeout': (None, 30000, [], ['chromeos']),
     'DeviceStartUpUrls': (None, ['http://google.com'], [], ['chromeos']),
     'DeviceAppPack': (None, [], [], ['chromeos']),
     'DeviceAutoUpdateDisabled': (None, True, [], ['chromeos']),
     'DeviceTargetVersionPrefix': (None, '1412.', [], ['chromeos']),
+    'DeviceUpdateScatterFactor': (None, '7200', [], ['chromeos']),
+    'DeviceUpdateAllowedConnectionTypes': (None, [ 'wifi' ], [], ['chromeos']),

[garnold, 2012/05/23 22:41:43]

Why not [ 'ethernet', 'wifi' ] ?

[Mattias Nissler (ping if slow), 2012/05/24 08:12:31]

This is a sample value to configure, so it doesn't matter what value we specify.
Note that this test only becomes relevant once we have chrome://settings UI, so
at this point, this line is just to satisfy the presubmit check.

     'ReportDeviceLocation': (None, False, [], ['chromeos']),
 
     # Chrome Frame policies:
     'ChromeFrameRendererSettings': (None, 0, [], []),
     'RenderInChromeFrameList': (None, ['google.com'], [], []),
     'RenderInHostList': (None, ['google.com'], [], []),
     'ChromeFrameContentTypes': (None, ['text/xml'], [], []),
     'GCFUserDataDir': (None, '${user_name}/test-frame', [], []),
     'AdditionalLaunchParameters': (None, '--enable-media-stream', [], []),
   }