AccessibilityTabModelWrapper should call notifyDataSetChanged() when newTab is created

chrome/android/shell/java/src/org/chromium/chrome/shell/ChromeShellTabModelSelector.java

 // Copyright 2014 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.
 
 package org.chromium.chrome.shell;
 
 import android.content.Context;
 
 import org.chromium.chrome.browser.Tab;
 import org.chromium.chrome.browser.tabmodel.EmptyTabModel;
@@ skipping 25 matching lines @@
             WindowAndroid window, ContentVideoViewClient videoViewClient, Context context,
             TabManager tabManager) {
         mWindow = window;
         mContentVideoViewClient = videoViewClient;
         mContext = context;
         mOrderController = new TabModelOrderController(this);
         mTabManager = tabManager;
 
         TabModelDelegate tabModelDelegate = new TabModelDelegate() {
             @Override
-            public void didCreateNewTab(Tab tab) {}
+            public void didCreateNewTab(Tab tab) {
+                notifyNewTabCreated(tab);
+            }
 
             @Override
             public void didChange() {}
 
             @Override
             public void selectModel(boolean incognito) {
                 assert !incognito;
             }
 
             @Override
@@ skipping 37 matching lines @@
         ChromeShellTab tab = new ChromeShellTab(
                 mContext, loadUrlParams.getUrl(), mWindow, client, mTabManager);
         int index = mOrderController.determineInsertionIndex(type, tab);
         TabModel tabModel = getCurrentModel();
         tabModel.addTab(tab, index, type);
         tabModel.setIndex(index, TabSelectionType.FROM_NEW);
         return tab;
     }
 
 }