[MD settings] resize iron list when template expands

chrome/browser/resources/settings/languages_page/edit_dictionary_page.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview 'settings-edit-dictionary-page' is a sub-page for editing
  * the "dictionary" of custom words used for spell check.
  */
 Polymer({
   is: 'settings-edit-dictionary-page',
@@ skipping 104 matching lines @@
     // Spaces are allowed, but removing leading and trailing whitespace.
     var word = this.newWordValue_.trim();
     this.newWordValue_ = '';
     if (!word)
       return;
 
     var index = this.words_.indexOf(word);
     if (index == -1) {
       this.languageSettingsPrivate.addSpellcheckWord(word);
       this.unshift('words_', word);
+      if (this.words_.length == 1) {
+        // When adding a word to an _empty_ list, the template is expanded. This
+        // is a workaround to resize the iron-list as well.
+        // TODO(dschuyler): Remove this hack after iron-list no longer needs
+        // this workaround to update the list at the same time the template
+        // wrapping the list is expanded.
+        Polymer.dom.flush();
+        this.$$('#list').notifyResize();
+      }
     }
   },
 
   /**
    * Checks if any words exists in the dictionary.
    * @private
    * @return {boolean}
    */
   hasWords_: function() {
     return this.words_.length > 0;
   }
 });