Browser-based guest policy implementation

components/policy/resources/policy_templates.json

Index: components/policy/resources/policy_templates.json
diff --git a/components/policy/resources/policy_templates.json b/components/policy/resources/policy_templates.json
index ee37368cb4dd5b5b0e40804d1ef291d468009920..dbcc57835464b6c90c64836df5c1a9c7d935f458 100644
--- a/components/policy/resources/policy_templates.json
+++ b/components/policy/resources/policy_templates.json
@@ -120,7 +120,7 @@
 #   persistent IDs for all fields (but not for groups!) are needed. These are
 #   specified by the 'id' keys of each policy. NEVER CHANGE EXISTING IDs,
 #   because doing so would break the deployed wire format!
-#   For your editing convenience: highest ID currently used: 274
+#   For your editing convenience: highest ID currently used: 275
 #
 # Placeholders:
 #   The following placeholder strings are automatically substituted:
@@ -6646,7 +6646,22 @@
       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-'],
+      '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.''',
+    },
   ],
   'messages': {
     # Messages that are not associated to any policies.