Cleanup: Remove references to tests that no longer exists / are unused.

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_
 
 #include <string>
 
-#include "base/gtest_prod_util.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/url_data_source.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_ui_controller.h"
 
@@ skipping 77 matching lines @@
     // Pointer back to the original profile.
     Profile* profile_;
 
     // Maps resource files to mime types an resource ids.
     std::map<std::string, std::pair<std::string, int> > resource_map_;
 
     DISALLOW_COPY_AND_ASSIGN(NewTabHTMLSource);
   };
 
  private:
-  FRIEND_TEST_ALL_PREFIXES(NewTabUITest, UpdateUserPrefsVersion);
-
   // content::NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // If |web_contents| has an NTP URL, emits a number of NTP statistics (like
   // mouseovers counts) associated with |web_contents|, to be logged in UMA
   // histograms.
   void EmitNtpStatistics();
 
@@ skipping 17 matching lines @@
 
   // If the sync promo NTP bubble is being shown.
   bool showing_sync_bubble_;
 
   PrefChangeRegistrar pref_change_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(NewTabUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_