Add chrome://popular-sites-internals/ to iOS.

chrome/browser/resources/popular_sites_internals.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.
-
-cr.define('chrome.popular_sites_internals', function() {
-  'use strict';
-
-  function initialize() {
-    function submitUpdate(event) {
-      $('download-result').textContent = '';
-      chrome.send('update', [$('override-url').value,
-                             $('override-country').value,
-                             $('override-version').value]);
-      event.preventDefault();
-    }
-
-    $('submit-update').addEventListener('click', submitUpdate);
-
-    function viewJson(event) {
-      $('json-value').textContent = '';
-      chrome.send('viewJson');
-      event.preventDefault();
-    }
-
-    $('view-json').addEventListener('click', viewJson);
-
-    chrome.send('registerForEvents');
-  }
-
-  function receiveOverrides(url, country, version) {
-    $('override-url').value = url;
-    $('override-country').value = country;
-    $('override-version').value = version;
-  }
-
-  function receiveDownloadResult(result) {
-    $('download-result').textContent = result;
-  }
-
-  function receiveSites(sites) {
-    jstProcess(new JsEvalContext(sites), $('info'));
-    // Also clear the json string, since it's likely stale now.
-    $('json-value').textContent = '';
-  }
-
-  function receiveJson(json) {
-    $('json-value').textContent = json;
-  }
-
-  // Return an object with all of the exports.
-  return {
-    initialize: initialize,
-    receiveOverrides: receiveOverrides,
-    receiveDownloadResult: receiveDownloadResult,
-    receiveSites: receiveSites,
-    receiveJson: receiveJson,
-  };
-});
-
-document.addEventListener('DOMContentLoaded',
-                          chrome.popular_sites_internals.initialize);
-