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

ui/message_center/fake_message_center.h

Index: ui/message_center/fake_message_center.h
diff --git a/ui/message_center/fake_message_center.h b/ui/message_center/fake_message_center.h
index 40ad90ec3a0886bc057c476a7b834fb6bdabd2e2..84f7434c4d0d0c31647f1b705cc85ca7f7a5d74b 100644
--- a/ui/message_center/fake_message_center.h
+++ b/ui/message_center/fake_message_center.h
@@ -18,7 +18,6 @@ class FakeMessageCenter : public MessageCenter {
   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;
@@ -47,7 +46,6 @@ class FakeMessageCenter : public MessageCenter {
                                          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,
@@ -61,7 +59,7 @@ class FakeMessageCenter : public MessageCenter {
   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;