kiosk: Network connectivity test during launch.

chrome/app/policy/policy_templates.json

Index: chrome/app/policy/policy_templates.json
diff --git a/chrome/app/policy/policy_templates.json b/chrome/app/policy/policy_templates.json
index f0f5d944c4a263a7c36984c8c550400d7edb3730..3c551ae6814069339b9738c0eda4e1b6ca9c9e05 100644
--- a/chrome/app/policy/policy_templates.json
+++ b/chrome/app/policy/policy_templates.json
@@ -118,7 +118,7 @@
 #   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: 249
+#   For your editing convenience: highest ID currently used: 250
 #
 # Placeholders:
 #   The following placeholder strings are automatically substituted:
@@ -3957,6 +3957,25 @@
       If this policy is set to False, zero-delay auto-login (if configured) cannot be bypassed.'''
     },
     {
+      'name': 'DeviceLocalAccountPromptForNetworkWhenOffline',
+      'type': 'main',
+      'schema': { 'type': 'boolean' },
+      'supported_on': ['chrome_os:33-'],
+      'device_only': True,
+      'features': {
+        'dynamic_refresh': True,
+      },
+      'future': True,

[Joao da Silva, 2013/12/04 10:45:19]

I guess this was copied from the policy above, but I don't see why it's used.

[Mattias Nissler (ping if slow), 2013/12/04 11:33:35]

ditto, should be removed.

[xiyuan, 2013/12/04 18:24:59]

Done.

+      'example_value': True,
+      'id': 250,
+      'caption': '''Enable network configuration prompt when offline''',
+      'desc': '''Enable network configuration prompt when offline.
+
+      If this policy is unset or set to True and a device-local account is configured for zero-delay auto-login and the device does not have access to the Internet, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> will show a network configuration prompt.
+
+      If this policy is set to False, an error message will be displayed instead of the network configuration prompt.'''
+    },
+    {
       'name': 'BackgroundModeEnabled',
       'type': 'main',
       'schema': { 'type': 'boolean' },