more content exports.

content/browser/notification_service_impl.h

 // Copyright (c) 2011 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_NOTIFICATION_SERVICE_IMPL_H_
 #define CONTENT_PUBLIC_BROWSER_NOTIFICATION_SERVICE_IMPL_H_
 #pragma once
 
 #include <map>
 
 #include "base/observer_list.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/notification_service.h"
 
 namespace content {
 class NotificationObserver;
 class NotificationRegistrar;
 }
 
-class NotificationServiceImpl : public content::NotificationService {
+class CONTENT_EXPORT NotificationServiceImpl
+    : public content::NotificationService {
  public:
   static NotificationServiceImpl* current();
 
   // Normally instantiated when the thread is created.  Not all threads have
   // a NotificationService.  Only one instance should be created per thread.
   NotificationServiceImpl();
   virtual ~NotificationServiceImpl();
 
   // content::NotificationService
   virtual void Notify(int type,
@@ skipping 52 matching lines @@
 #ifndef NDEBUG
   // Used to check to see that AddObserver and RemoveObserver calls are
   // balanced.
   NotificationObserverCount observer_counts_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(NotificationServiceImpl);
 };
 
 #endif  // CONTENT_PUBLIC_BROWSER_NOTIFICATION_SERVICE_IMPL_H_