alternate ntp: fix website page jankiness when suggestions show and top bars are hidden

chrome/browser/ui/views/external_tab_container_win.cc

 // 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.
 
 #include "chrome/browser/ui/views/external_tab_container_win.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 1183 matching lines @@
   // Shift-Tab.
   Profile* profile =
       Profile::FromBrowserContext(web_contents_->GetBrowserContext());
   tab_contents_container_ = new views::WebView(profile);
 
   // The views created here will be destroyed when the ExternalTabContainer
   // widget is torn down.
   external_tab_view_ = new views::View();
 
   InfoBarContainerView* info_bar_container =
-      new InfoBarContainerView(this, NULL);
+      new InfoBarContainerView(this, NULL, NULL);
   InfoBarService* infobar_service =
       InfoBarService::FromWebContents(web_contents_.get());
   info_bar_container->ChangeInfoBarService(infobar_service);
 
   views::GridLayout* layout = new views::GridLayout(external_tab_view_);
   // Give this column an identifier of 0.
   views::ColumnSet* columns = layout->AddColumnSet(0);
   columns->AddColumn(views::GridLayout::FILL,
                      views::GridLayout::FILL,
                      1,
@@ skipping 64 matching lines @@
   if (params.disposition == CURRENT_TAB) {
     DCHECK(route_all_top_level_navigations_);
     forward_params.disposition = NEW_FOREGROUND_TAB;
   }
   WebContents* new_contents =
       ExternalTabContainerWin::OpenURLFromTab(source, forward_params);
   // support only one navigation for a dummy tab before it is killed.
   ::DestroyWindow(GetNativeView());
   return new_contents;
 }