ash: Move "WiFi is turned on." buble to the notification center.

ash/system/network/tray_network.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 ASH_SYSTEM_NETWORK_TRAY_NETWORK_H_
 #define ASH_SYSTEM_NETWORK_TRAY_NETWORK_H_
 
 #include <memory>
 #include <set>
 
 #include "ash/system/network/network_observer.h"
 #include "ash/system/network/network_portal_detector_observer.h"
 #include "ash/system/network/tray_network_state_observer.h"
 #include "ash/system/tray/system_tray_item.h"
 #include "base/macros.h"
 #include "base/time/time.h"
 
 namespace ash {
 namespace tray {
 class NetworkDefaultView;
-class NetworkDetailedView;
 class NetworkTrayView;
 }
 
 class TrayNetwork : public SystemTrayItem,
                     public NetworkObserver,
                     public NetworkPortalDetectorObserver,
                     public TrayNetworkStateObserver::Delegate {
  public:
   explicit TrayNetwork(SystemTray* system_tray);
   ~TrayNetwork() override;
 
-  tray::NetworkDetailedView* detailed() { return detailed_; }
-
   // SystemTrayItem
   views::View* CreateTrayView(LoginStatus status) override;
   views::View* CreateDefaultView(LoginStatus status) override;
-  views::View* CreateDetailedView(LoginStatus status) override;
   void DestroyTrayView() override;
   void DestroyDefaultView() override;
-  void DestroyDetailedView() override;
 
   // NetworkObserver
   void RequestToggleWifi() override;
 
   // NetworkPortalDetectorObserver
   void OnCaptivePortalDetected(const std::string& guid) override;
 
   // TrayNetworkStateObserver::Delegate
   void NetworkStateChanged() override;
 
  private:
   tray::NetworkTrayView* tray_;
   tray::NetworkDefaultView* default_;
-  tray::NetworkDetailedView* detailed_;
-  bool request_wifi_view_;
   std::unique_ptr<TrayNetworkStateObserver> network_state_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayNetwork);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_NETWORK_TRAY_NETWORK_H_