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

ash/system/network/tray_network.h

Index: ash/system/network/tray_network.h
diff --git a/ash/system/network/tray_network.h b/ash/system/network/tray_network.h
index 0746f1c7d7e0361a42ebdc734e935422c115961b..c084ed85bf138b6f4549b04917016786150fe8c6 100644
--- a/ash/system/network/tray_network.h
+++ b/ash/system/network/tray_network.h
@@ -18,7 +18,6 @@
 namespace ash {
 namespace tray {
 class NetworkDefaultView;
-class NetworkDetailedView;
 class NetworkTrayView;
 }
 
@@ -30,15 +29,11 @@ class TrayNetwork : public SystemTrayItem,
   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;
@@ -52,8 +47,6 @@ class TrayNetwork : public SystemTrayItem,
  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);