Use mojo SystemTray interfaces for both mash and classic ash

chrome/browser/ui/ash/system_tray_delegate_chromeos.h

 // Copyright 2013 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_ASH_SYSTEM_TRAY_DELEGATE_CHROMEOS_H_
 #define CHROME_BROWSER_UI_ASH_SYSTEM_TRAY_DELEGATE_CHROMEOS_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 52 matching lines @@
       public input_method::InputMethodManager::Observer,
       public chromeos::CrasAudioHandler::AudioObserver,
       public device::BluetoothAdapter::Observer,
       public policy::CloudPolicyStore::Observer,
       public ash::SessionStateObserver,
       public chrome::BrowserListObserver,
       public extensions::AppWindowRegistry::Observer,
       public user_manager::UserManager::UserSessionStateObserver,
       public SupervisedUserServiceObserver,
       public ShutdownPolicyHandler::Delegate,
-      public system::SystemClockObserver,
       public input_method::InputMethodManager::ImeMenuObserver {
  public:
   SystemTrayDelegateChromeOS();
 
   ~SystemTrayDelegateChromeOS() override;
 
   void InitializeOnAdapterReady(
       scoped_refptr<device::BluetoothAdapter> adapter);
 
   // Overridden from ash::SystemTrayDelegate:
   void Initialize() override;
   bool GetTrayVisibilityOnStartup() override;
   ash::LoginStatus GetUserLoginStatus() const override;
   std::string GetEnterpriseDomain() const override;
   base::string16 GetEnterpriseMessage() const override;
   std::string GetSupervisedUserManager() const override;
   base::string16 GetSupervisedUserManagerName() const override;
   base::string16 GetSupervisedUserMessage() const override;
   bool IsUserSupervised() const override;
   bool IsUserChild() const override;
   void GetSystemUpdateInfo(ash::UpdateInfo* info) const override;
-  base::HourClockType GetHourClockType() const override;
   void ShowSettings() override;
   bool ShouldShowSettings() override;
-  void ShowDateSettings() override;
   void ShowSetTimeDialog() override;
   void ShowNetworkSettingsForGuid(const std::string& guid) override;
   void ShowDisplaySettings() override;
   void ShowPowerSettings() override;
   void ShowChromeSlow() override;
   bool ShouldShowDisplayNotification() override;
   void ShowIMESettings() override;
   void ShowHelp() override;
   void ShowAccessibilityHelp() override;
   void ShowAccessibilitySettings() override;
@@ skipping 48 matching lines @@
 
   // Overridden from user_manager::UserManager::UserSessionStateObserver:
   void UserAddedToSession(const user_manager::User* active_user) override;
   void ActiveUserChanged(const user_manager::User* active_user) override;
 
   void UserChangedChildStatus(user_manager::User* user) override;
 
   // browser tests need to call ShouldUse24HourClock().
   bool GetShouldUse24HourClockForTesting() const;
 
-  // chromeos::system::SystemClockObserver implementation.
-  void OnSystemClockChanged(system::SystemClock*) override;
-
  private:
   ash::SystemTray* GetPrimarySystemTray();
 
   ash::SystemTrayNotifier* GetSystemTrayNotifier();
 
   void SetProfile(Profile* profile);
 
   bool UnsetProfile(Profile* profile);
 
   bool ShouldUse24HourClock() const;
@@ skipping 136 matching lines @@
 
   base::WeakPtrFactory<SystemTrayDelegateChromeOS> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegateChromeOS);
 };
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate();
 
 }  // namespace chromeos
 #endif  // CHROME_BROWSER_UI_ASH_SYSTEM_TRAY_DELEGATE_CHROMEOS_H_