Revert "chromeos: Move files in //ash/common to //ash, part 1"

ash/system/tray/system_tray.h

Index: ash/system/tray/system_tray.h
diff --git a/ash/system/tray/system_tray.h b/ash/system/tray/system_tray.h
deleted file mode 100644
index 3997ba047718905b192ebef9f746e89ede7ce39a..0000000000000000000000000000000000000000
--- a/ash/system/tray/system_tray.h
+++ /dev/null
@@ -1,256 +0,0 @@
-// 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>
-
-#include "ash/ash_export.h"
-#include "ash/system/tray/system_tray_bubble.h"
-#include "ash/system/tray/tray_background_view.h"
-#include "base/macros.h"
-#include "ui/views/bubble/tray_bubble_view.h"
-#include "ui/views/view.h"
-
-namespace ash {
-
-class KeyEventWatcher;
-enum class LoginStatus;
-class ScreenTrayItem;
-class SystemBubbleWrapper;
-class SystemTrayDelegate;
-class SystemTrayItem;
-class TrayAccessibility;
-class TrayAudio;
-class TrayCast;
-class TrayDate;
-class TrayNetwork;
-class TraySystemInfo;
-class TrayTiles;
-class TrayUpdate;
-class WebNotificationTray;
-
-// There are different methods for creating bubble views.
-enum BubbleCreationType {
-  BUBBLE_CREATE_NEW,    // Closes any existing bubble and creates a new one.
-  BUBBLE_USE_EXISTING,  // Uses any existing bubble, or creates a new one.
-};
-
-class ASH_EXPORT SystemTray : public TrayBackgroundView,
-                              public views::TrayBubbleView::Delegate {
- public:
-  explicit SystemTray(WmShelf* wm_shelf);
-  ~SystemTray() override;
-
-  TrayUpdate* tray_update() { return tray_update_; }
-
-  // Calls TrayBackgroundView::Initialize(), creates the tray items, and
-  // adds them to SystemTrayNotifier.
-  void InitializeTrayItems(SystemTrayDelegate* delegate,
-                           WebNotificationTray* web_notification_tray);
-
-  // Resets internal pointers. This has to be called before deletion.
-  void Shutdown();
-
-  // Adds a new item in the tray.
-  void AddTrayItem(std::unique_ptr<SystemTrayItem> item);
-
-  // Returns all tray items that has been added to system tray.
-  std::vector<SystemTrayItem*> GetTrayItems() const;
-
-  // Shows the default view of all items.
-  void ShowDefaultView(BubbleCreationType creation_type);
-
-  // Shows default view that ingnores outside clicks and activation loss.
-  void ShowPersistentDefaultView();
-
-  // Shows details of a particular item. If |close_delay_in_seconds| is
-  // non-zero, then the view is automatically closed after the specified time.
-  void ShowDetailedView(SystemTrayItem* item,
-                        int close_delay_in_seconds,
-                        bool activate,
-                        BubbleCreationType creation_type);
-
-  // Continue showing the existing detailed view, if any, for |close_delay|
-  // seconds.
-  void SetDetailedViewCloseDelay(int close_delay);
-
-  // Hides the detailed view for |item|. If |animate| is false, disable
-  // the hiding animation for hiding |item|.
-  void HideDetailedView(SystemTrayItem* item, bool animate);
-
-  // Updates the items when the login status of the system changes.
-  void UpdateAfterLoginStatusChange(LoginStatus login_status);
-
-  // Updates the items when the shelf alignment changes.
-  void UpdateAfterShelfAlignmentChange(ShelfAlignment alignment);
-
-  // Returns true if the shelf should be forced visible when auto-hidden.
-  bool ShouldShowShelf() const;
-
-  // Returns true if there is a system bubble (already visible or in the process
-  // of being created).
-  bool HasSystemBubble() const;
-
-  // Returns true if the system_bubble_ exists and is of type |type|.
-  bool HasSystemBubbleType(SystemTrayBubble::BubbleType type);
-
-  // Returns a pointer to the system bubble or NULL if none.
-  SystemTrayBubble* GetSystemBubble();
-
-  // Returns true if system bubble is visible.
-  bool IsSystemBubbleVisible() const;
-
-  // Closes system bubble and returns true if it did exist.
-  bool CloseSystemBubble() const;
-
-  // Returns view for help button if default view is shown. Returns NULL
-  // otherwise.
-  views::View* GetHelpButtonView() const;
-
-  // Returns TrayAudio object if present or null otherwise.
-  TrayAudio* GetTrayAudio() const;
-
-  // Overridden from TrayBackgroundView.
-  void SetShelfAlignment(ShelfAlignment alignment) override;
-  void AnchorUpdated() override;
-  base::string16 GetAccessibleNameForTray() override;
-  void BubbleResized(const views::TrayBubbleView* bubble_view) override;
-  void HideBubbleWithView(const views::TrayBubbleView* bubble_view) override;
-  void ClickedOutsideBubble() override;
-
-  // views::TrayBubbleView::Delegate:
-  void BubbleViewDestroyed() override;
-  void OnMouseEnteredView() override;
-  void OnMouseExitedView() override;
-  base::string16 GetAccessibleNameForBubble() override;
-  void OnBeforeBubbleWidgetInit(
-      views::Widget* anchor_widget,
-      views::Widget* bubble_widget,
-      views::Widget::InitParams* params) const 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_;
-  }
-
-  // Get the tray item view (or NULL) for a given |tray_item| in a unit test.
-  views::View* GetTrayItemViewForTest(SystemTrayItem* tray_item);
-
-  TrayCast* GetTrayCastForTesting() const;
-  TrayDate* GetTrayDateForTesting() const;
-  TrayNetwork* GetTrayNetworkForTesting() const;
-  TraySystemInfo* GetTraySystemInfoForTesting() const;
-  TrayTiles* GetTrayTilesForTesting() const;
-
-  // Activates the system tray bubble.
-  void ActivateBubble();
-
- private:
-  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.
-  void CreateKeyEventWatcher();
-
-  // Creates the default set of items for the sytem tray.
-  void CreateItems(SystemTrayDelegate* delegate);
-
-  // Resets |system_bubble_| and clears any related state.
-  void DestroySystemBubble();
-
-  // Returns a string with the current time for accessibility on the status
-  // tray bar.
-  base::string16 GetAccessibleTimeString(const base::Time& now) const;
-
-  // Constructs or re-constructs |system_bubble_| and populates it with |items|.
-  // Specify |change_tray_status| to true if want to change the tray background
-  // status. The bubble will be opened in inactive state. If |can_activate| is
-  // true, the bubble will be activated by one of following means.
-  // * When alt/alt-tab acclerator is used to start navigation.
-  // * When the bubble is opened by accelerator.
-  // * When the tray item is set to be focused.
-  void ShowItems(const std::vector<SystemTrayItem*>& items,
-                 bool details,
-                 bool can_activate,
-                 BubbleCreationType creation_type,
-                 bool persistent);
-
-  // Checks the current status of the system tray and updates the web
-  // notification tray according to the current status.
-  void UpdateWebNotifications();
-
-  // Deactivate the system tray in the shelf if it was active before.
-  void CloseSystemBubbleAndDeactivateSystemTray();
-
-  // Records UMA metrics for the number of user-visible rows in the system menu
-  // and the percentage of the work area height covered by the system menu.
-  void RecordSystemMenuMetrics();
-
-  // Overridden from ActionableView.
-  bool PerformAction(const ui::Event& event) override;
-
-  // The web notification tray view that appears adjacent to this view.
-  WebNotificationTray* web_notification_tray_;
-
-  // Items.
-  std::vector<std::unique_ptr<SystemTrayItem>> items_;
-
-  // Pointers to members of |items_|.
-  SystemTrayItem* detailed_item_;
-
-  // Mappings of system tray item and it's view in the tray.
-  std::map<SystemTrayItem*, views::View*> tray_item_map_;
-
-  // Bubble for default and detailed views.
-  std::unique_ptr<SystemBubbleWrapper> system_bubble_;
-
-  // Keep track of the default view height so that when we create detailed
-  // views directly (e.g. from a notification) we know what height to use.
-  int default_bubble_height_;
-
-  // This is true when the displayed system tray menu is a full tray menu,
-  // otherwise a single line item menu like the volume slider is shown.
-  // Note that the value is only valid when |system_bubble_| is true.
-  bool full_system_tray_menu_;
-
-  // These objects are not owned by this class.
-  TrayAccessibility* tray_accessibility_;
-  TrayAudio* tray_audio_;  // May be null.
-  TrayCast* tray_cast_;
-  TrayDate* tray_date_;    // null for material design.
-  TrayNetwork* tray_network_;
-  TrayTiles* tray_tiles_;  // only used in material design.
-  TraySystemInfo* tray_system_info_;  // only used in material design.
-  TrayUpdate* tray_update_;
-
-  // A reference to the Screen share and capture item.
-  ScreenTrayItem* screen_capture_tray_item_;  // not owned
-  ScreenTrayItem* screen_share_tray_item_;    // not owned
-
-  // TODO(oshima): Remove this when crbug.com/651242 is fixed.
-  bool activating_ = false;
-
-  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_