Fix supported_on versions for retired policies.

chrome/app/policy/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 977 matching lines @@
 
       See http://www.chromium.org/administrators/policy-list-3/user-data-directory-variables for a list of variables that can be used.
 
       If this policy is left not set the default download directory will be used and the user will be able to change it.''',
       'label': '''Set download directory''',
     },
     {
       'name': 'ClearSiteDataOnExit',
       'type': 'main',
       'schema': { 'type': 'boolean' },
-      'supported_on': ['chrome.*:11-29', 'chrome_os:0.11-0.29'],
+      'supported_on': ['chrome.*:11-28', 'chrome_os:0.11-0.28'],
       'features': {
         'can_be_recommended': True,
         'dynamic_refresh': True,
         'per_profile': True,
       },
       'deprecated': True,
       'example_value': True,
       'id': 65,
       'caption': '''Clear site data on browser shutdown (deprecated)''',
       'desc': '''This policy has been retired as of <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> version 29.''',
@@ skipping 1989 matching lines @@
       'desc': '''Enables <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> to submit documents to <ph name="CLOUD_PRINT_NAME">Google Cloud Print</ph> for printing.  NOTE: This only affects <ph name="CLOUD_PRINT_NAME">Google Cloud Print</ph> support in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>.  It does not prevent users from submitting print jobs on web sites.
 
       If this setting is enabled or not configured, users can print to <ph name="CLOUD_PRINT_NAME">Google Cloud Print</ph> from the <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> print dialog.
 
       If this setting is disabled, users cannot print to <ph name="CLOUD_PRINT_NAME">Google Cloud Print</ph> from the <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> print dialog''',
     },
     {
       'name': 'EnterpriseWebStoreURL',
       'type': 'string',
       'schema': { 'type': 'string' },
-      'supported_on': ['chrome.*:17-29', 'chrome_os:0.17-0.29'],
+      'supported_on': ['chrome.*:17-28', 'chrome_os:0.17-0.28'],
       'features': {
         'dynamic_refresh': True,
         'per_profile': True,
       },
       'deprecated': True,
       'example_value': 'http://company-intranet/chromeapps',
       'id': 112,
       'caption': '''Enterprise web store URL (deprecated)''',
       'desc': '''This setting has been retired as of <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> version 29. The recommended way to set up organization-hosted extension/app collections is to include the site hosting the CRX packages in ExtensionInstallSources and put direct download links to the packages on a web page. A launcher for that web page can be created using the ExtensionInstallForcelist policy.''',
     },
     {
       'name': 'EnterpriseWebStoreName',
       'type': 'string',
       'schema': { 'type': 'string' },
-      'supported_on': ['chrome.*:17-29', 'chrome_os:0.17-0.29'],
+      'supported_on': ['chrome.*:17-28', 'chrome_os:0.17-0.28'],
       'features': {
         'dynamic_refresh': True,
         'per_profile': True,
       },
       'deprecated': True,
       'example_value': 'WidgCo Chrome Apps',
       'id': 113,
       'caption': '''Enterprise web store name (deprecated)''',
       'desc': '''This setting has been retired as of <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> version 29. The recommended way to set up organization-hosted extension/app collections is to include the site hosting the CRX packages in ExtensionInstallSources and put direct download links to the packages on a web page. A launcher for that web page can be created using the ExtensionInstallForcelist policy.''',
     },
@@ skipping 1814 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': [],
 }