downloads/bookmarks: combine header CSS between downloads and bookmarks.

chrome/browser/resources/bookmark_manager/js/main.js

 // Copyright (c) 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.
 
 (function() {
 /** @const */ var BookmarkList = bmm.BookmarkList;
 /** @const */ var BookmarkTree = bmm.BookmarkTree;
 /** @const */ var Command = cr.ui.Command;
 /** @const */ var CommandBinding = cr.ui.CommandBinding;
 /** @const */ var LinkKind = cr.LinkKind;
@@ skipping 1310 matching lines @@
   // when // the user goes back and forward in the history.
   window.addEventListener('hashchange', processHash);
 
   document.querySelector('header form').onsubmit = function(e) {
     setSearch($('term').value);
     e.preventDefault();
   };
 
   $('term').addEventListener('search', handleSearch);
 
-  document.querySelector('.summary > button').addEventListener(
+  document.querySelector('.summary button').addEventListener(
       'click', handleOrganizeButtonClick);
 
   document.addEventListener('canExecute', handleCanExecuteForDocument);
   document.addEventListener('command', handleCommand);
 
   // Listen to copy, cut and paste events and execute the associated commands.
   installEventHandlerForCommand('copy', 'copy-command');
   installEventHandlerForCommand('cut', 'cut-command');
   installEventHandlerForCommand('paste', 'paste-from-organize-menu-command');
 
@@ skipping 27 matching lines @@
 
   cr.ui.FocusOutlineManager.forDocument(document);
   initializeSplitter();
   bmm.addBookmarkModelListeners();
   dnd.init(selectItemsAfterUserAction);
   tree.reload();
 }
 
 initializeBookmarkManager();
 })();