Fix the notification center label.

ui/message_center/views/message_center_view_unittest.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 <map>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 126 matching lines @@
                             base::UTF8ToUTF16("display source"),
                             NotifierId(NotifierId::APPLICATION, "extension_id"),
                             message_center::RichNotificationData(),
                             NULL);
 
   // ...and a list for it.
   NotificationList::Notifications notifications;
   notifications.insert(&notification);
 
   // Then create a new MessageCenterView with that single notification.
+  base::string16 title;
   message_center_view_.reset(new MessageCenterView(
-      &message_center_, NULL, 100, false, /*top_down =*/false));
+      &message_center_, NULL, 100, false, /*top_down =*/false, title));
   message_center_view_->SetNotifications(notifications);
 
   // Remove and delete the NotificationView now owned by the MessageCenterView's
   // MessageListView and replace it with an instrumented MockNotificationView
   // that will become owned by the MessageListView.
   MockNotificationView* mock;
   mock = new MockNotificationView(this, notification, this);
   message_center_view_->notification_views_[notification.id()] = mock;
   message_center_view_->SetNotificationViewForTest(mock);
 }
@@ skipping 73 matching lines @@
   // GetHeightForWidth() calls per descendant NotificationView. 20 is a very
   // large number corresponding to the current reality. That number will be
   // ratcheted down over time as the code improves.
   EXPECT_LE(GetCallCount(LAYOUT), GetNotificationCount() * 2);
   EXPECT_LE(GetCallCount(GET_PREFERRED_SIZE) +
             GetCallCount(GET_HEIGHT_FOR_WIDTH),
             GetNotificationCount() * 20);
 }
 
 }  // namespace message_center