Revert of Show message center on lock screen

ui/message_center/fake_message_center.cc

 // 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.
 
 #include "ui/message_center/fake_message_center.h"
 #include "ui/message_center/notification_list.h"
 
 namespace message_center {
 
 FakeMessageCenter::FakeMessageCenter() {
@@ skipping 24 matching lines @@
 }
 
 bool FakeMessageCenter::HasPopupNotifications() const {
   return false;
 }
 
 bool FakeMessageCenter::IsQuietMode() const {
   return false;
 }
 
-bool FakeMessageCenter::IsLockedState() const {
-  return false;
-}
-
 bool FakeMessageCenter::HasClickedListener(const std::string& id) {
   return false;
 }
 
 message_center::Notification* FakeMessageCenter::FindVisibleNotificationById(
     const std::string& id) {
   return NULL;
 }
 
 const NotificationList::Notifications&
@@ skipping 59 matching lines @@
     NotifierSettingsProvider* provider) {
 }
 
 NotifierSettingsProvider* FakeMessageCenter::GetNotifierSettingsProvider() {
   return NULL;
 }
 
 void FakeMessageCenter::SetQuietMode(bool in_quiet_mode) {
 }
 
-void FakeMessageCenter::SetLockedState(bool locked) {}
-
 void FakeMessageCenter::EnterQuietModeWithExpire(
     const base::TimeDelta& expires_in) {
 }
 
 void FakeMessageCenter::SetVisibility(Visibility visible) {
 }
 
 bool FakeMessageCenter::IsMessageCenterVisible() const {
   return false;
 }
 
 void FakeMessageCenter::RestartPopupTimers() {}
 
 void FakeMessageCenter::PausePopupTimers() {}
 
 void FakeMessageCenter::DisableTimersForTest() {}
 
 void FakeMessageCenter::EnableChangeQueueForTest(bool enabled) {}
 
 }  // namespace message_center