Add countdown when session time is limited

ash/system/tray/test_system_tray_delegate.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_TEST_TEST_SYSTEM_TRAY_DELEGATE_H_
 #define ASH_TEST_TEST_SYSTEM_TRAY_DELEGATE_H_
 
 #include "ash/system/tray/system_tray_delegate.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 76 matching lines @@
   virtual bool GetBluetoothEnabled() OVERRIDE;
   virtual bool GetMobileScanSupported() OVERRIDE;
   virtual bool GetCellularCarrierInfo(std::string* carrier_id,
                                       std::string* topup_url,
                                       std::string* setup_url) OVERRIDE;
   virtual void ShowCellularURL(const std::string& url) OVERRIDE;
   virtual void ChangeProxySettings() OVERRIDE;
   virtual VolumeControlDelegate* GetVolumeControlDelegate() const OVERRIDE;
   virtual void SetVolumeControlDelegate(
       scoped_ptr<VolumeControlDelegate> delegate) OVERRIDE;
+  virtual base::Time GetSessionStartTime() OVERRIDE;
+  virtual base::TimeDelta GetSessionLengthLimit() OVERRIDE;
 
  private:
   bool wifi_enabled_;
   bool cellular_enabled_;
   bool bluetooth_enabled_;
   bool caps_lock_enabled_;
   gfx::ImageSkia null_image_;
   scoped_ptr<VolumeControlDelegate> volume_control_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(TestSystemTrayDelegate);
 };
 
 }  // namespace test
 }  // namespace ash
 
 #endif  // ASH_TEST_TEST_SYSTEM_TRAY_DELEGATE_H_