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

ui/message_center/fake_message_center.cc

Index: ui/message_center/fake_message_center.cc
diff --git a/ui/message_center/fake_message_center.cc b/ui/message_center/fake_message_center.cc
index c39747581110ea5e72b4ca0b44e5047eade29b5e..17bcd10a273d7b2db69598b13b492628e9f8792d 100644
--- a/ui/message_center/fake_message_center.cc
+++ b/ui/message_center/fake_message_center.cc
@@ -19,9 +19,6 @@ void FakeMessageCenter::AddObserver(MessageCenterObserver* observer) {
 void FakeMessageCenter::RemoveObserver(MessageCenterObserver* observer) {
 }
 
-void FakeMessageCenter::SetDelegate(Delegate* delegate) {
-}
-
 size_t FakeMessageCenter::NotificationCount() const {
   return 0u;
 }
@@ -87,9 +84,6 @@ void FakeMessageCenter::DisableNotificationsByNotifier(
     const NotifierId& notifier_id) {
 }
 
-void FakeMessageCenter::ShowNotificationSettings(const std::string& id) {
-}
-
 void FakeMessageCenter::ExpandNotification(const std::string& id) {
 }
 
@@ -122,7 +116,7 @@ void FakeMessageCenter::EnterQuietModeWithExpire(
     const base::TimeDelta& expires_in) {
 }
 
-void FakeMessageCenter::SetMessageCenterVisible(bool visible) {
+void FakeMessageCenter::SetVisibility(Visibility visible) {
 }
 
 bool FakeMessageCenter::IsMessageCenterVisible() {