ntp: remove dead first run code

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>
 
@@ skipping 19 matching lines @@
 
   // Override WebUI methods so we can hook up the paint timer to the render
   // view host.
   virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
   virtual void RenderViewReused(RenderViewHost* render_view_host) OVERRIDE;
 
   static void RegisterUserPrefs(PrefService* prefs);
   static void MigrateUserPrefs(PrefService* prefs, int old_pref_version,
                                int new_pref_version);
 
-  // Whether we should disable the first run notification based on the command
-  // line switch.
-  static bool FirstRunDisabled();
-
   // 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_; }
 
   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,
                                   bool is_incognito,
                                   int request_id) OVERRIDE;
 
     virtual std::string GetMimeType(const std::string&) const OVERRIDE;
 
     virtual bool ShouldReplaceExistingSource() const;
 
-    // Setters and getters for first_run.
-    static void set_first_run(bool first_run) { first_run_ = first_run; }
-    static bool first_run() { return first_run_; }
-
    private:
     virtual ~NewTabHTMLSource() {}
 
-    // Whether this is the first run.
-    static bool first_run_;
-
     // Pointer back to the original profile.
     Profile* profile_;
 
     DISALLOW_COPY_AND_ASSIGN(NewTabHTMLSource);
   };
 
  private:
   FRIEND_TEST_ALL_PREFIXES(NewTabUITest, UpdateUserPrefsVersion);
 
   virtual void Observe(int type,
@@ skipping 18 matching lines @@
   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_