Remove the app launcher promo code

chrome/browser/ui/webui/ntp/app_launcher_handler.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_APP_LAUNCHER_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_
 
 #include <memory>
 #include <set>
 #include <string>
 
-#include "apps/metrics_names.h"
 #include "base/macros.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
 #include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "components/favicon/core/favicon_service.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_ui_message_handler.h"
@@ skipping 101 matching lines @@
   void HandleSetPageIndex(const base::ListValue* args);
 
   // Handles "saveAppPageName" message with |args| containing [name,
   // page_index].
   void HandleSaveAppPageName(const base::ListValue* args);
 
   // Handles "generateAppForLink" message with |args| containing [url, title,
   // page_index].
   void HandleGenerateAppForLink(const base::ListValue* args);
 
-  // Handles "stopShowingAppLauncherPromo" message with unused |args|.
-  void HandleStopShowingAppLauncherPromo(const base::ListValue* args);
-
-  // Handles "learnMore" message with unused |args|.
-  void HandleOnLearnMore(const base::ListValue* args);
-
   // Handles "pageSelected" message with |args| containing [page_index].
   void HandlePageSelected(const base::ListValue* args);
 
  private:
   struct AppInstallInfo {
     AppInstallInfo();
     ~AppInstallInfo();
 
     base::string16 title;
     GURL app_url;
@@ skipping 20 matching lines @@
 
   // Continuation for installing a bookmark app after favicon lookup.
   void OnFaviconForApp(std::unique_ptr<AppInstallInfo> install_info,
                        const favicon_base::FaviconImageResult& image_result);
 
   // Sends |highlight_app_id_| to the js.
   void SetAppToBeHighlighted();
 
   void OnExtensionPreferenceChanged();
 
-  void OnLocalStatePreferenceChanged();
-
   // Called when an app is removed (unloaded or uninstalled). Updates the UI.
   void AppRemoved(const extensions::Extension* extension, bool is_uninstall);
 
   // True if the extension should be displayed.
   bool ShouldShow(const extensions::Extension* extension) const;
 
   // The apps are represented in the extensions model, which
   // outlives us since it's owned by our containing profile.
   ExtensionService* const extension_service_;
 
@@ skipping 37 matching lines @@
   // when the app is added to the page (via getAppsCallback or appAdded).
   std::string highlight_app_id_;
 
   // Used for favicon loading tasks.
   base::CancelableTaskTracker cancelable_task_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(AppLauncherHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_