MD Settings: show an extension-controlled-indicator for proxy

chrome/browser/resources/settings/settings_ui/settings_ui.js

Index: chrome/browser/resources/settings/settings_ui/settings_ui.js
diff --git a/chrome/browser/resources/settings/settings_ui/settings_ui.js b/chrome/browser/resources/settings/settings_ui/settings_ui.js
index b009c069e0f49e6f7fcaf3316fd5dabd0061faa5..c035dfbae8835715e324cc6795da62618caa64c6 100644
--- a/chrome/browser/resources/settings/settings_ui/settings_ui.js
+++ b/chrome/browser/resources/settings/settings_ui/settings_ui.js
@@ -60,6 +60,10 @@ Polymer({
     }
   },
 
+  listeners: {
+    'refresh-pref': 'onRefreshPref_',
+  },
+
   /** @override */
   created: function() {
     settings.initializeRouteFromUrl();
@@ -144,6 +148,15 @@ Polymer({
   },
 
   /**
+   * @param {!CustomEvent} e
+   * @private
+   */
+  onRefreshPref_: function(e) {
+    var prefName = /** @type {string} */(e.detail);
+    return /** @type {SettingsPrefsElement} */(this.$.prefs).refresh(prefName);
+  },
+
+  /**
    * Handles the 'search-changed' event fired from the toolbar.
    * @param {!Event} e
    * @private