Add device policy to disallow shutdown

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 6209b772ef9082b2c521d823b0cdd2ae0faea6f6..f4bbea5be38529e90283272d87f1c0a806c60c70 100644
--- a/components/policy/resources/policy_templates.json
+++ b/components/policy/resources/policy_templates.json
@@ -123,7 +123,7 @@
 #   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: 283
+#   For your editing convenience: highest ID currently used: 284
 #
 # Placeholders:
 #   The following placeholder strings are automatically substituted:
@@ -7022,6 +7022,21 @@
 
       If this policy is left not set, it is equivalent to being enabled, see description above.''',
     },
+    {
+      'name': 'DeviceShutdownAllowed',
+      'type': 'main',
+      'schema': { 'type': 'boolean' },
+      'supported_on': ['chrome_os:41-'],
+      'device_only': True,
+      'features': {
+        'dynamic_refresh': True,
+      },
+      'example_value': True,
+      'id': 284,
+      'caption': '''Allow device shutdown''',
+      'desc': '''If this policy is set to true or not configured, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> will allow the device to be shut down by the user.
+      If this policy is set to false, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> will not allow the user to shutdown the device. All occurrences of shutdown buttons in the UI will be replaced by reboot buttons.''',
+    },
   ],
   'messages': {
     # Messages that are not associated to any policies.