MD Settings: extension-controlled indicators for default search engine

chrome/browser/resources/settings/search_page/search_page.js

Index: chrome/browser/resources/settings/search_page/search_page.js
diff --git a/chrome/browser/resources/settings/search_page/search_page.js b/chrome/browser/resources/settings/search_page/search_page.js
index 4c70a30433cf313549cede562266954b265e04a7..328df5bd0351d400cb89a6eada3e760923e42281 100644
--- a/chrome/browser/resources/settings/search_page/search_page.js
+++ b/chrome/browser/resources/settings/search_page/search_page.js
@@ -10,6 +10,8 @@ Polymer({
   is: 'settings-search-page',
 
   properties: {
+    prefs: Object,
+
     /**
      * List of default search engines available.
      * @private {!Array<!SearchEngine>}
@@ -18,11 +20,11 @@ Polymer({
       type: Array,
       value: function() { return []; }
     },
-
-    /** @private {!settings.SearchEnginesBrowserProxy} */
-    browserProxy_: Object,
   },
 
+  /** @private {?settings.SearchEnginesBrowserProxy} */
+  browserProxy_: null,
+
   /** @override */
   created: function() {
     this.browserProxy_ = settings.SearchEnginesBrowserProxyImpl.getInstance();
@@ -38,14 +40,19 @@ Polymer({
   },
 
   /** @private */
-  onManageSearchEnginesTap_: function() {
-    settings.navigateTo(settings.Route.SEARCH_ENGINES);
-  },
-
-  /** @private */
-  onChange_: function(e) {
+  onChange_: function() {
     var select = /** @type {!HTMLSelectElement} */ (this.$$('select'));
     var searchEngine = this.searchEngines_[select.selectedIndex];
     this.browserProxy_.setDefaultSearchEngine(searchEngine.modelIndex);
   },
+
+  /** @private */
+  onDisableExtension_: function() {
+    this.fire('refresh-pref', 'default_search_provider.enabled');
+  },
+
+  /** @private */
+  onManageSearchEnginesTap_: function() {
+    settings.navigateTo(settings.Route.SEARCH_ENGINES);
+  },
 });