Fix failing policy_prefs_ui tests

chrome/browser/resources/options/options_page.js

Index: chrome/browser/resources/options/options_page.js
diff --git a/chrome/browser/resources/options/options_page.js b/chrome/browser/resources/options/options_page.js
index e88b240943f929aebd2e324afb97a208eec74c60..6a5a8bd328f54cc5a797f60907fcb607609fd8c2 100644
--- a/chrome/browser/resources/options/options_page.js
+++ b/chrome/browser/resources/options/options_page.js
@@ -857,7 +857,7 @@ cr.define('options', function() {
 
       var controlledByPolicy = false;
       var controlledByExtension = false;
-      var inputElements = this.pageDiv.querySelectorAll('input[controlledBy]');
+      var inputElements = this.pageDiv.querySelectorAll('input[controlled-by]');
       for (var i = 0, len = inputElements.length; i < len; i++) {
         if (inputElements[i].controlledBy == 'policy')
           controlledByPolicy = true;