Mojo: Remove url type converters.

chrome/browser/resources/engagement/site_engagement.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.
 
 'use strict';
 
 define('main', [
     'mojo/public/js/connection',
     'chrome/browser/ui/webui/engagement/site_engagement.mojom',
     'content/public/renderer/frame_service_registry',
@@ skipping 33 matching lines @@
       });
     }
 
     /**
      * Creates a single row in the engagement table.
      * @param {SiteEngagementInfo} info The info to create the row from.
      * @return {HTMLElement}
      */
     function createRow(info) {
       var originCell = createElementWithClassName('td', 'origin-cell');
-      originCell.textContent = info.origin;
+      originCell.textContent = info.origin.url;
 
       var scoreInput = createElementWithClassName('input', 'score-input');
       scoreInput.addEventListener(
           'change', handleScoreChange.bind(undefined, info.origin));
       scoreInput.value = info.score;
 
       var scoreCell = createElementWithClassName('td', 'score-cell');
       scoreCell.appendChild(scoreInput);
 
       var engagementBar = createElementWithClassName('div', 'engagement-bar');
@@ skipping 81 matching lines @@
       uiHandler.getSiteEngagementInfo().then(function(response) {
         info = response.info;
         renderTable(info);
       });
     };
 
     updateEngagementTable();
     updateInterval = setInterval(updateEngagementTable, 5000);
   };
 });