Compile chrome://settings, part 7. 33 errors left

chrome/browser/resources/options/language_dictionary_overlay.js

Index: chrome/browser/resources/options/language_dictionary_overlay.js
diff --git a/chrome/browser/resources/options/language_dictionary_overlay.js b/chrome/browser/resources/options/language_dictionary_overlay.js
index b8ed0590b59b85970a051a44530627997117242a..61e351afa662938907dbde59da3fd3d44355a16d 100644
--- a/chrome/browser/resources/options/language_dictionary_overlay.js
+++ b/chrome/browser/resources/options/language_dictionary_overlay.js
@@ -49,8 +49,9 @@ cr.define('options', function() {
     initializePage: function() {
       Page.prototype.initializePage.call(this);
 
-      this.wordList_ = $('language-dictionary-overlay-word-list');
-      DictionaryWordsList.decorate(this.wordList_);
+      var wordList = $('language-dictionary-overlay-word-list');
+      DictionaryWordsList.decorate(wordList);
+      this.wordList_ = assertInstanceof(wordList, DictionaryWordsList);
       this.wordList_.onWordListChanged = function() {
         this.onWordListChanged_();
       }.bind(this);