chromeos: Introduce ash::SystemTrayTestApi

ash/system/tray/system_tray.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_TRAY_SYSTEM_TRAY_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_
 
 #include <map>
 #include <memory>
 #include <vector>
@@ skipping 120 matching lines @@
   // views::TrayBubbleView::Delegate:
   void BubbleViewDestroyed() override;
   void OnMouseEnteredView() override;
   void OnMouseExitedView() override;
   base::string16 GetAccessibleNameForBubble() override;
   void HideBubble(const views::TrayBubbleView* bubble_view) override;
 
   ScreenTrayItem* GetScreenShareItem() { return screen_share_tray_item_; }
   ScreenTrayItem* GetScreenCaptureItem() { return screen_capture_tray_item_; }
 
-  TrayAccessibility* GetTrayAccessibilityForTest() {
-    return tray_accessibility_;
-  }
-
-  // TODO(jamescook): Add a SystemTrayTestApi instead of these methods.
-  TrayCast* GetTrayCastForTesting() const;
-  TrayEnterprise* GetTrayEnterpriseForTesting() const;
-  TrayNetwork* GetTrayNetworkForTesting() const;
-  TraySupervisedUser* GetTraySupervisedUserForTesting() const;
-  TraySystemInfo* GetTraySystemInfoForTesting() const;
-  TrayTiles* GetTrayTilesForTesting() const;
-
   // Activates the system tray bubble.
   void ActivateBubble();
 
  private:
+  friend class SystemTrayTestApi;
   class ActivationObserver;
 
   // Closes the bubble. Used to bind as a KeyEventWatcher::KeyEventCallback.
   void CloseBubble(const ui::KeyEvent& key_event);
 
   // Activates the bubble and starts key navigation with the |key_event|.
   void ActivateAndStartNavigation(const ui::KeyEvent& key_event);
 
   // Creates the key event watcher. See |ShowItems()| for why key events are
   // observed.
@@ skipping 77 matching lines @@
   std::unique_ptr<KeyEventWatcher> key_event_watcher_;
 
   std::unique_ptr<ActivationObserver> activation_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemTray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_H_