Do not reload account picker when device-local account policy changes

ui/login/account_picker/user_pod_row.js

Index: ui/login/account_picker/user_pod_row.js
diff --git a/ui/login/account_picker/user_pod_row.js b/ui/login/account_picker/user_pod_row.js
index e1b5d13f345c57f814544a60234227bde5a01048..a85db4fa945de0ca70213e31440d8456e7f733c1 100644
--- a/ui/login/account_picker/user_pod_row.js
+++ b/ui/login/account_picker/user_pod_row.js
@@ -1161,6 +1161,15 @@ cr.define('login', function() {
     },
 
     /**
+     * Updates the display name shown on the pod.
+     * @param {string} displayName The new display name
+     */
+    setDisplayName: function(displayName) {
+      this.user_.displayName = displayName;
+      this.update();
+    },
+
+    /**
      * Handle mouse and keyboard events for the learn more button. Triggering
      * the button causes information about public sessions to be shown.
      * @param {Event} event Mouse or keyboard event.
@@ -1841,6 +1850,17 @@ cr.define('login', function() {
     },
 
     /**
+     * Updates the display name shown on a public session pod.
+     * @param {string} userID The user ID of the public session
+     * @param {string} displayName The new display name
+     */
+    setPublicSessionDisplayName: function(userID, displayName) {
+      var pod = this.getPodWithUsername_(userID);
+      if (pod != null)
+        pod.setDisplayName(displayName);
+    },
+
+    /**
      * Updates the list of available keyboard layouts for a public session pod.
      * @param {string} userID The user ID of the public session
      * @param {!Object} list List of available keyboard layouts