Update RestoreOnStartupPolicyHandler to translate to the correct preferences

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 1136 matching lines @@
       'caption': '''Startup pages''',
       'desc': '''Allows you to configure the pages that are loaded on startup.
 
       The contents of the list 'URLs to open at startup' are ignored unless you select 'Open a list of URLs' in 'Action on startup'.''',
       'policies': [
         {
           'name': 'RestoreOnStartup',
           'type': 'int-enum',
           'items': [
             {
-              'name': 'RestoreOnStartupIsNone',
-              'value': 0,
-              'caption': '''Open home page'''
+              'name': 'RestoreOnStartupIsNewTabPage',
+              'value': 5,
+              'caption': '''Open New Tab Page'''
             },
             {
               'name': 'RestoreOnStartupIsLastSession',
               'value': 1,
               'caption': '''Restore the last session'''
             },
             {
               'name': 'RestoreOnStartupIsURLs',
               'value': 4,
               'caption': '''Open a list of URLs'''
             },
           ],
           'supported_on': ['chrome.*:8-', 'chrome_os:0.11-'],
           'features': {
             'dynamic_refresh': True,
             'can_be_recommended': True,
           },
           'example_value': 4,
           'id': 37,
           'caption': '''Action on startup''',
           'desc': '''Allows you to specify the behavior on startup.
 
-          If you choose 'Open home page' the home page will always be opened when you start <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>.
+          If you choose 'Open New Tab Page' the New Tab Page will always be opened when you start <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>.
 
           If you choose 'Restore the last session', the URLs that were open last time <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> was closed will be reopened and the browsing session will be restored as it was left.
           Choosing this option disables some settings that rely on sessions or that perform actions on exit (such as Clear browsing data on exit or session-only cookies).
 
           If you choose 'Open a list of URLs', the list of 'URLs to open on startup' will be opened when a user starts <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>.
 
           If you enable this setting, users cannot change or override it in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>.
 
           Disabling this setting is equvalent to leaving it not configured. The user will still be able to change it in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph>.''',
         },
@@ skipping 1535 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': 'Recommended',
     },
   },
   'placeholders': [],
 }