The 1st patch to disambiguate message center notifications

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 20 matching lines @@
 }
 
 size_t FakeMessageCenter::UnreadNotificationCount() const {
   return 0u;
 }
 
 bool FakeMessageCenter::HasPopupNotifications() const {
   return false;
 }
 
-bool FakeMessageCenter::HasNotification(const std::string& id) {
-  return false;
-}
-
 bool FakeMessageCenter::IsQuietMode() 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&
 FakeMessageCenter::GetVisibleNotifications() {
   return empty_notifications_;
 }
 
 NotificationList::PopupNotifications
     FakeMessageCenter::GetPopupNotifications() {
   return NotificationList::PopupNotifications();
 }
 
@@ skipping 70 matching lines @@
   return false;
 }
 
 void FakeMessageCenter::RestartPopupTimers() {}
 
 void FakeMessageCenter::PausePopupTimers() {}
 
 void FakeMessageCenter::DisableTimersForTest() {}
 
 }  // namespace message_center