Adds a device policy to specify the set of initial urls for the demo user account.

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 74b9a327768b81c33fe64c73fed5834f3ccf5648..efbedcf072a1e29319ad56a988738296f3c2adb2 100644
--- a/chrome/app/policy/policy_templates.json
+++ b/chrome/app/policy/policy_templates.json
@@ -112,7 +112,7 @@
 #   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: 136
+#   For your editing convenience: highest ID currently used: 137
 #
 # Placeholders:
 #   The following placeholder strings are automatically substituted:
@@ -2435,6 +2435,19 @@
       'desc': '''Determines whether <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> keeps local account data after logout. If set to true, no persistent accounts are kept by <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> and all data from the user session will be discarded after logout. If this policy is set to false or not configured, the device may keep (encrypted) local user data.''',
     },
     {
+      'name': 'DeviceStartUpUrls',
+      'type': 'list',
+      'supported_on': ['chrome_os:19-'],
+      'device_only': True,
+      'features': {'dynamic_refresh': True},
+      'example_value': [ 'http://google.com', 'chrome-extension://aaaaaaaaaaaaaaaaaaaaaaaa/' ],
+      'id': 137,
+      'caption': '''Load specified urls on demo login''',
+      'desc': '''This policy is active in retail mode only.
+
+      Determines the set of URLs to be loaded when the demo session is started. This policy will override any other mechanisms for setting the initial URL and thus can only be applied to a session not associated with a particular user.''',
+    },
+    {
       'name': 'DeviceIdleLogoutTimeout',
       'type': 'int',
       'supported_on': ['chrome_os:19-'],