Remove TOUCH_UI specific new tab page.

chrome/browser/ui/webui/ntp/new_tab_ui.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_
 #pragma once
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/time.h"
 #include "base/timer.h"
-#include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/browser/ui/webui/chrome_web_ui.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class GURL;
 class PrefService;
 class Profile;
 
@@ skipping 13 matching lines @@
 
   // Adds "url", "title", and "direction" keys on incoming dictionary, setting
   // title as the url as a fallback on empty title.
   static void SetURLTitleAndDirection(base::DictionaryValue* dictionary,
                                       const string16& title,
                                       const GURL& gurl);
 
   // The current preference version.
   static int current_pref_version() { return current_pref_version_; }
 
-  // Returns whether NTP4 is enabled.
-  static bool NTP4Enabled();
-
   // Returns whether NTP4 bookmark features are enabled.
   static bool NTP4BookmarkFeaturesEnabled();
 
   class NewTabHTMLSource : public ChromeURLDataManager::DataSource {
    public:
     explicit NewTabHTMLSource(Profile* profile);
 
     // Called when the network layer has requested a resource underneath
     // the path we registered.
     virtual void StartDataRequest(const std::string& path,
@@ skipping 25 matching lines @@
 
   void StartTimingPaint(RenderViewHost* render_view_host);
   void PaintTimeout();
 
   // Overridden from ChromeWebUI. Determines if the bookmarks bar can be shown
   // detached from the location bar.
   virtual bool CanShowBookmarkBar() const OVERRIDE;
 
   content::NotificationRegistrar registrar_;
 
-  // Tracks updates of the kShowBookmarkBar preference.
-  PrefChangeRegistrar pref_change_registrar_;
   // The time when we started benchmarking.
   base::TimeTicks start_;
   // The last time we got a paint notification.
   base::TimeTicks last_paint_;
   // Scoping so we can be sure our timeouts don't outlive us.
   base::OneShotTimer<NewTabUI> timer_;
   // The preference version. This used for migrating prefs of the NTP.
   static const int current_pref_version_ = 3;
 
   DISALLOW_COPY_AND_ASSIGN(NewTabUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_