Move guest policy to M38

components/policy/resources/policy_templates.json

 {
 # policy_templates.json - Metafile for policy templates
 #
 # The content of this file is evaluated as a Python expression.
 #
 # This file is used as input to generate the following policy templates:
 # ADM, ADMX+ADML, MCX/plist and html documentation.
 #
 # Policy templates are user interface definitions or documents about the
 # policies that can be used to configure Chrome. Each policy is a name-value
@@ skipping 6629 matching lines @@
 
       The pre-selected keyboard layout will always be the most popular layout matching the pre-selected locale.
 
       This policy can only be set as recommended. You can use this policy to move a set of recommended locales to the top but users are always allowed to choose any locale supported by <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> for their session.
       ''',
     },
     {
       'name': 'BrowserGuestModeEnabled',
       'type': 'main',
       'schema': { 'type': 'boolean' },
-      'supported_on': ['chrome.*:39-'],
+      'supported_on': ['chrome.*:38-'],
       'features': {
         'dynamic_refresh': True,
         'per_profile': False,
       },
       'example_value': True,
       'id': 275,
       'caption': '''Enable guest mode in browser''',
       'desc': '''If this policy is set to true or not configured, <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> will enable guest logins. Guest logins are <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> profiles where all windows are in incognito mode.
 
       If this policy is set to false, <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> will not allow guest profiles to be started.''',
@@ skipping 107 matching lines @@
       'desc': '''Text appended in parentheses to the policy name to indicate that it has been deprecated''',
       'text': 'deprecated',
     },
     'doc_recommended': {
       'desc': '''Text appended in parentheses next to the policies top-level container to indicate that those policies are of the Recommended level''',
       'text': 'Default Settings (users can override)',
     },
   },
   'placeholders': [],
 }