[Eraser] First pass at removing the notification center panel.

ui/message_center/fake_message_center_tray_delegate.cc

 // Copyright 2014 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_tray_delegate.h"
 
 #include "base/message_loop/message_loop.h"
 #include "ui/message_center/message_center_tray.h"
 
 namespace message_center {
 
 FakeMessageCenterTrayDelegate::FakeMessageCenterTrayDelegate(
-    MessageCenter* message_center,
-    base::Closure quit_closure)
-    : tray_(new MessageCenterTray(this, message_center)),
-      quit_closure_(quit_closure),
-      displayed_first_run_balloon_(false) {}
+    MessageCenter* message_center)
+    : tray_(new MessageCenterTray(this, message_center)) {}
 
 FakeMessageCenterTrayDelegate::~FakeMessageCenterTrayDelegate() {
 }
 
 void FakeMessageCenterTrayDelegate::OnMessageCenterTrayChanged() {
 }
 
 bool FakeMessageCenterTrayDelegate::ShowPopups() {
   return false;
 }
@@ skipping 13 matching lines @@
 }
 
 bool FakeMessageCenterTrayDelegate::IsContextMenuEnabled() const {
   return false;
 }
 
 MessageCenterTray* FakeMessageCenterTrayDelegate::GetMessageCenterTray() {
   return tray_.get();
 }
 
-void FakeMessageCenterTrayDelegate::DisplayFirstRunBalloon() {
-  displayed_first_run_balloon_ = true;
-  base::MessageLoop::current()->PostTask(FROM_HERE, quit_closure_);
-}
-
 }  // namespace message_center