mash: Migrate remaining tray observers and notify functions.

ash/system/tray/media_security/multi_profile_media_tray_item.cc

-// Copyright 2014 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.
-
-#include "ash/system/tray/media_security/multi_profile_media_tray_item.h"
-
-#include "ash/ash_view_ids.h"
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/system/tray/tray_item_view.h"
-#include "ash/media_delegate.h"
-#include "ash/shell.h"
-#include "ash/system/tray/media_security/media_capture_observer.h"
-#include "ash/system/tray/system_tray_notifier.h"
-#include "grit/ash_resources.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/views/controls/image_view.h"
-#include "ui/views/layout/fill_layout.h"
-
-namespace ash {
-namespace tray {
-
-class MultiProfileMediaTrayView : public TrayItemView,
-                                  public MediaCaptureObserver {
- public:
-  explicit MultiProfileMediaTrayView(SystemTrayItem* system_tray_item)
-      : TrayItemView(system_tray_item) {
-    SetLayoutManager(new views::FillLayout);
-    views::ImageView* icon = new views::ImageView;
-    ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-    icon->SetImage(
-        bundle.GetImageNamed(IDR_AURA_UBER_TRAY_RECORDING).ToImageSkia());
-    AddChildView(icon);
-    OnMediaCaptureChanged();
-    Shell::GetInstance()->system_tray_notifier()->AddMediaCaptureObserver(this);
-    set_id(VIEW_ID_MEDIA_TRAY_VIEW);
-  }
-
-  ~MultiProfileMediaTrayView() override {
-    Shell::GetInstance()->system_tray_notifier()->RemoveMediaCaptureObserver(
-        this);
-  }
-
-  // MediaCaptureObserver:
-  void OnMediaCaptureChanged() override {
-    MediaDelegate* media_delegate = Shell::GetInstance()->media_delegate();
-    SessionStateDelegate* session_state_delegate =
-        Shell::GetInstance()->session_state_delegate();
-    // The user at 0 is the current desktop user.
-    for (UserIndex index = 1;
-         index < session_state_delegate->NumberOfLoggedInUsers(); ++index) {
-      if (media_delegate->GetMediaCaptureState(index) != MEDIA_CAPTURE_NONE) {
-        SetVisible(true);
-        return;
-      }
-    }
-    SetVisible(false);
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MultiProfileMediaTrayView);
-};
-
-}  // namespace tray
-
-MultiProfileMediaTrayItem::MultiProfileMediaTrayItem(SystemTray* system_tray)
-    : SystemTrayItem(system_tray), tray_view_(NULL) {
-}
-
-MultiProfileMediaTrayItem::~MultiProfileMediaTrayItem() {
-}
-
-views::View* MultiProfileMediaTrayItem::CreateTrayView(LoginStatus status) {
-  tray_view_ = new tray::MultiProfileMediaTrayView(this);
-  return tray_view_;
-}
-
-void MultiProfileMediaTrayItem::DestroyTrayView() {
-  tray_view_ = NULL;
-}
-
-}  // namespace ash