add "always allow" option to the mediastream infobar and allow user to allow/not allow acces to devi

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 158 matching lines @@
         ('kManagedDefaultImagesSetting', 2, [CONTENT], OS_ALL),
     'DefaultJavaScriptSetting': (None, 2, [CONTENT], OS_ALL),
     'DefaultPluginsSetting':
         ('kManagedDefaultPluginsSetting', 2, [CONTENT], OS_ALL),
     'DefaultPopupsSetting':
         ('kManagedDefaultPopupsSetting', 2, [CONTENT], OS_ALL),
     'DefaultNotificationsSetting':
         ('kManagedDefaultNotificationsSetting', 2, [CONTENT], OS_ALL),
     'DefaultGeolocationSetting':
         ('kManagedDefaultGeolocationSetting', 2, [CONTENT], OS_ALL),
+    'DefaultMediaStreamSetting':
+        ('kManagedDefaultMediaStreamSetting', 2, [CONTENT], OS_ALL),
     'AutoSelectCertificateForUrls':
         ('kManagedAutoSelectCertificateForUrls',
          ['{\'pattern\':\'https://example.com\',' +
           '\'filter\':{\'ISSUER\':{\'CN\': \'issuer-name\'}}}'], [], OS_ALL),
     'CookiesAllowedForUrls':
         ('kManagedCookiesAllowedForUrls', ['[*.]google.com'], [], OS_ALL),
     'CookiesBlockedForUrls':
         ('kManagedCookiesBlockedForUrls', ['[*.]google.com'], [], OS_ALL),
     'CookiesSessionOnlyForUrls':
         ('kManagedCookiesSessionOnlyForUrls', ['[*.]google.com'], [], OS_ALL),
@@ skipping 94 matching lines @@
     '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', [], []),
   }