Re-home the global MessageCenter to support Ash+Win environments.

ui/message_center/message_center.cc

 // Copyright (c) 2012 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/message_center.h"
 
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "base/observer_list.h"
 #include "ui/message_center/notification.h"
 #include "ui/message_center/notification_list.h"
 
 namespace message_center {
 
+namespace {
+static MessageCenter* g_message_center;
+}
+
+// static
+void MessageCenter::Initialize() {
+  DCHECK(g_message_center == NULL);
+  g_message_center = new MessageCenter();
+}
+
+// static
+MessageCenter* MessageCenter::Get() {
+  DCHECK(g_message_center);
+  return g_message_center;
+}
+
+// static
+void MessageCenter::Shutdown() {
+  DCHECK(g_message_center);
+  delete g_message_center;
+  g_message_center = NULL;
+}
+
 //------------------------------------------------------------------------------
 MessageCenter::MessageCenter()
     : delegate_(NULL) {
   notification_list_.reset(new NotificationList(this));
 }
 
 MessageCenter::~MessageCenter() {
   notification_list_.reset();
 }
 
@@ skipping 160 matching lines @@
 // Private.
 
 void MessageCenter::NotifyMessageCenterChanged(bool new_notification) {
   FOR_EACH_OBSERVER(Observer,
                     observer_list_,
                     OnMessageCenterChanged(new_notification));
 }
 
 
 }  // namespace message_center