Notifications: Add cross-platform UMA: ShowMessageCenter, ShowSettings.

ui/message_center/fake_message_center.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 UI_MESSAGE_CENTER_FAKE_MESSAGE_CENTER_H_
 #define UI_MESSAGE_CENTER_FAKE_MESSAGE_CENTER_H_
 
 #include "ui/message_center/message_center.h"
 
 namespace message_center {
 
 class NotificationDelegate;
 
 // MessageCenter implementation of doing nothing. Useful for tests.
 class FakeMessageCenter : public MessageCenter {
  public:
   FakeMessageCenter();
   virtual ~FakeMessageCenter();
 
   // Overridden from FakeMessageCenter.
-  virtual void SetDelegate(Delegate* delegate) OVERRIDE;
   virtual void AddObserver(MessageCenterObserver* observer) OVERRIDE;
   virtual void RemoveObserver(MessageCenterObserver* observer) OVERRIDE;
   virtual size_t NotificationCount() const OVERRIDE;
   virtual size_t UnreadNotificationCount() const OVERRIDE;
   virtual bool HasPopupNotifications() const OVERRIDE;
   virtual bool HasNotification(const std::string& id) OVERRIDE;
   virtual bool IsQuietMode() const OVERRIDE;
   virtual bool HasClickedListener(const std::string& id) OVERRIDE;
   virtual const NotificationList::Notifications& GetNotifications() OVERRIDE;
   virtual NotificationList::PopupNotifications GetPopupNotifications() OVERRIDE;
   virtual void AddNotification(scoped_ptr<Notification> notification) OVERRIDE;
   virtual void UpdateNotification(const std::string& old_id,
                                   scoped_ptr<Notification> new_notification)
       OVERRIDE;
 
   virtual void RemoveNotification(const std::string& id, bool by_user) OVERRIDE;
   virtual void RemoveAllNotifications(bool by_user) OVERRIDE;
   virtual void SetNotificationIcon(const std::string& notification_id,
                                    const gfx::Image& image) OVERRIDE;
 
   virtual void SetNotificationImage(const std::string& notification_id,
                                     const gfx::Image& image) OVERRIDE;
 
   virtual void SetNotificationButtonIcon(const std::string& notification_id,
                                          int button_index,
                                          const gfx::Image& image) OVERRIDE;
   virtual void DisableNotificationsByNotifier(
       const NotifierId& notifier_id) OVERRIDE;
-  virtual void ShowNotificationSettings(const std::string& id) OVERRIDE;
   virtual void ExpandNotification(const std::string& id) OVERRIDE;
   virtual void ClickOnNotification(const std::string& id) OVERRIDE;
   virtual void ClickOnNotificationButton(const std::string& id,
                                          int button_index) OVERRIDE;
   virtual void MarkSinglePopupAsShown(const std::string& id,
                                       bool mark_notification_as_read) OVERRIDE;
   virtual void DisplayedNotification(const std::string& id) OVERRIDE;
   virtual void SetNotifierSettingsProvider(
       NotifierSettingsProvider* provider) OVERRIDE;
   virtual NotifierSettingsProvider* GetNotifierSettingsProvider() OVERRIDE;
   virtual void SetQuietMode(bool in_quiet_mode) OVERRIDE;
   virtual void EnterQuietModeWithExpire(
       const base::TimeDelta& expires_in) OVERRIDE;
-  virtual void SetMessageCenterVisible(bool visible) OVERRIDE;
+  virtual void SetVisibility(Visibility visible) OVERRIDE;
   virtual bool IsMessageCenterVisible() OVERRIDE;
   virtual void RestartPopupTimers() OVERRIDE;
   virtual void PausePopupTimers() OVERRIDE;
 
  protected:
   virtual void DisableTimersForTest() OVERRIDE;
 
  private:
   const NotificationList::Notifications empty_notifications_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeMessageCenter);
 };
 
 }  // namespace message_center
 
 #endif  // UI_MESSAGE_CENTER_FAKE_MESSAGE_CENTER_H_