chromeos: Make enterprise help dialog work in mash, part 1

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 148 matching lines @@
   void StopObservingCustodianInfoChanges();
 
   // Notify observers if the current user has no more open browser or app
   // windows.
   void NotifyIfLastWindowClosed();
 
   // Overridden from SessionManagerClient::Observer.
   void ScreenIsLocked() override;
   void ScreenIsUnlocked() override;
 
-  gfx::NativeWindow GetNativeWindow() const;
-
   // content::NotificationObserver implementation.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   void OnLanguageRemapSearchKeyToChanged();
 
   void OnAccessibilityModeChanged(
       ash::AccessibilityNotificationVisibility notify);
 
@@ skipping 100 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_