[iOS] Cleanup comments in find_in_page.js

ios/chrome/browser/find_in_page/resources/find_in_page.js

 // Copyright 2012 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.
 
 /**
- * This file is lifted from the GoogleMobile find tool.
+ * Based heavily on code from the Google iOS app.
  *
  * @fileoverview A find in page tool.  It scans the DOM for elements with the
  * text being search for, and wraps them with a span that highlights them.
- *
- * @author bmcmahan@google.com (Benjamin McMahan)
- *
  */
 
 /**
  * Namespace for this file.  Depends on __gCrWeb having already been injected.
  */
 __gCrWeb['findInPage'] = {};
 
 /**
  * Index of the current highlighted choice.  -1 means none.
  * @type {number}
@@ skipping 837 matching lines @@
 
   var originalElement = elem;
   var nextOffsetParent = originalElement.offsetParent;
   var computedStyle =
       elem.ownerDocument.defaultView.getComputedStyle(elem, null);
 
   // We are currently handling all scrolling through the app, which means we can
   // only scroll the window, not any scrollable containers in the DOM itself. So
   // for now this function returns false if the element is scrolled outside the
   // viewable area of its ancestors.
-  // TODO (jonwall): handle scrolling within the DOM.
+  // TODO(justincohen): handle scrolling within the DOM.
   var pageHeight = __gCrWeb['findInPage'].getBodyHeight();
   var pageWidth = __gCrWeb['findInPage'].getBodyWidth();
 
   while (elem && elem.nodeName != 'BODY') {
     if (elem.style.display === 'none' ||
         elem.style.visibility === 'hidden' ||
         elem.style.opacity === 0 ||
         computedStyle.display === 'none' ||
         computedStyle.visibility === 'hidden' ||
         computedStyle.opacity === 0) {
@@ skipping 74 matching lines @@
     var win = windowsToSearch.pop();
     for (var i = win.frames.length - 1; i >= 0; i--) {
       if (win.frames[i].document) {
         documents.push(win.frames[i].document);
         windowsToSearch.push(win.frames[i]);
       }
     }
   }
   return documents;
 };