Disable tab syncing when history saving is disabled.

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 499 matching lines @@
       'supported_on': ['chrome.*:8-', 'chrome_os:11-', 'android:30-'],
       'features': {
         'dynamic_refresh': True,
         'per_profile': True,
       },
       'example_value': True,
       'id': 11,
       'caption': '''Disable saving browser history''',
       'desc': '''Disables saving browser history in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> and prevents users from changing this setting.
 
-      If this setting is enabled, browsing history is not saved.
+      If this setting is enabled, browsing history is not saved. This setting also disables tab syncing, since synced tabs are also sent to the history database.

[Andrew T Wilson (Slow), 2014/08/21 14:10:38]

"also sent to the history db" is not strictly true. It's synced to the server.
Maybe just say "also disables tab syncing." and that's it.

[Joao da Silva, 2014/08/26 16:06:52]

Done.

 
       If this setting is disabled or not set, browsing history is saved.''',
     },
     {
       'name': 'AllowDeletingBrowserHistory',
       'future': True,
       'type': 'main',
       'schema': { 'type': 'boolean' },
       # TODO(pamg): Restore the correct 'supported' line when the UI properly
       # shows that deleting browser history is disabled. Also fix the 'os' line
@@ skipping 6237 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': [],
 }