Update iOS WebUI History to use icon.js

ios/chrome/app/resources/history/other_devices.js

 // Copyright (c) 2013 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 The section of the history page that shows tabs from sessions
                  on other devices.
  */
 
 ///////////////////////////////////////////////////////////////////////////////
@@ skipping 245 matching lines @@
 
     for (var j = 0; j < win.tabs.length; j++) {
       var tab = win.tabs[j];
       if (tab.hidden)
         continue;
 
       if (numTabsShown < maxNumTabs) {
         numTabsShown++;
         var a = createElementWithClassName('a', 'device-tab-entry');
         a.href = tab.url;
-        a.style.backgroundImage = getFaviconImageSet(tab.url);
+        a.style.backgroundImage = cr.icon.getFaviconImageSet(tab.url);
         this.addHighlightedText_(a, tab.title);
         // Add a tooltip, since it might be ellipsized. The ones that are not
         // necessary will be removed once added to the document, so we can
         // compute sizes.
         a.title = tab.title;
 
         // We need to use this to not lose the ids as we go through other loop
         // turns.
         function makeClickHandler(sessionTag, windowId, tabId) {
           return function(e) {
@@ skipping 287 matching lines @@
     devicesView.setSearchText($('search-field').value);
   };
   $('search-field').addEventListener('search', doSearch);
   $('search-button').addEventListener('click', doSearch);
 
   chrome.send('otherDevicesInitialized');
 }
 
 // Add handlers to HTML elements.
 document.addEventListener('DOMContentLoaded', load);