MD Settings: Search Engine: Call iron-list notifyResize

chrome/browser/resources/settings/search_engines_page/search_engines_page.js

Index: chrome/browser/resources/settings/search_engines_page/search_engines_page.js
diff --git a/chrome/browser/resources/settings/search_engines_page/search_engines_page.js b/chrome/browser/resources/settings/search_engines_page/search_engines_page.js
index d8c7b6fc81a3be89ec9f1e4d9a226cb29f46e388..4273c8717ea0d1c1bc316ca406275f01159bf928 100644
--- a/chrome/browser/resources/settings/search_engines_page/search_engines_page.js
+++ b/chrome/browser/resources/settings/search_engines_page/search_engines_page.js
@@ -40,6 +40,10 @@ Polymer({
     }
   },
 
+  // Since the iron-list for extensions is enclosed in a dom-if, observe both
+  // |extensions| and |showExtensionsList_|.
+  observers: ['extensionsChanged_(extensions, showExtensionsList_)'],
+
   /** @override */
   ready: function() {
     settings.SearchEnginesBrowserProxyImpl.getInstance().
@@ -48,6 +52,12 @@ Polymer({
         'search-engines-changed', this.enginesChanged_.bind(this));
   },
 
+  /** @private */
+  extensionsChanged_: function() {
+    if (this.showExtensionsList_ && this.$.extensions)
+      this.$.extensions.notifyResize();
+  },
+
   /**
    * @param {!SearchEnginesInfo} searchEnginesInfo
    * @private