First set of changes for M7 NTP.

chrome/browser/resources/new_new_tab.js

 // Copyright (c) 2010 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.
 
 var loading = true;
 
 function updateSimpleSection(id, section) {
   if (shownSections & section)
     $(id).classList.remove('hidden');
   else
@@ skipping 569 matching lines @@
   executeItem: function(item) {
     var command = item.getAttribute('command');
     if (command in this.commands) {
       this.commands[command].call(this, item);
     }
 
     this.hide();
   }
 };
 
+// TODO(aa): The 'clear-all-blacklisted' feature needs to move into a menu in
+// the most visited section.
+/*
 var optionMenu = new OptionMenu($('option-button'), $('option-menu'));
 optionMenu.commands = {
   'clear-all-blacklisted' : function() {
     mostVisited.clearAllBlacklisted();
     chrome.send('getMostVisited');
   },
   'show': function(item) {
     var section = Section[item.getAttribute('section')];
     showSection(section);
     saveShownSections();
   },
   'hide': function(item) {
     var section = Section[item.getAttribute('section')];
     hideSection(section);
     saveShownSections();
   }
 };
+*/
 
 $('main').addEventListener('click', function(e) {
-  if (e.target.tagName == 'H2') {
-    var p = e.target.parentNode;
+  var p = e.target;
+  while (p && p.tagName != 'H2') {
+    p = p.parentNode;
+  }
+
+  if (p) {
+    p = p.parentNode;
     var section = p.getAttribute('section');
     if (section) {
       if (shownSections & Section[section])
         hideSection(Section[section]);
       else
         showSection(Section[section]);
       saveShownSections();
     }
   }
 });
@@ skipping 178 matching lines @@
  * make sure we don't send the initial sync message to the backend unless the
  * backend told us that the sync code is present.
  */
 function callGetSyncMessageIfSyncIsPresent() {
   if (document.documentElement.getAttribute('syncispresent') == 'true') {
     chrome.send('GetSyncMessage');
   }
 }
 
 function hideAllMenus() {
-  optionMenu.hide();
+  // TODO(aa): See comment in definition of optionMenu.
+  //optionMenu.hide();
 }
 
 window.addEventListener('blur', hideAllMenus);
 window.addEventListener('keydown', function(e) {
   if (e.keyIdentifier == 'Alt' || e.keyIdentifier == 'Meta') {
     hideAllMenus();
   }
 }, true);
 
 // Tooltip for elements that have text that overflows.
@@ skipping 57 matching lines @@
   window.setTimeout(function() {
     mostVisited.ensureSmallGridCorrect();
     document.body.classList.remove('loading');
   }, 1);
 
   // Only show the first run notification if first run.
   if (firstRun) {
     showFirstRunNotification();
   }
 }