prune down content_dll change to just the CONTENT_EXPORTS

content/common/notification_details.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.
 
 // This file defines the type used to provide details for NotificationService
 // notifications.
 
 #ifndef CONTENT_COMMON_NOTIFICATION_DETAILS_H_
 #define CONTENT_COMMON_NOTIFICATION_DETAILS_H_
 #pragma once
 
 #include "base/basictypes.h"
+#include "content/common/content_export.h"
 
 // Do not declare a NotificationDetails directly--use either
 // "Details<detailsclassname>(detailsclasspointer)" or
 // NotificationService::NoDetails().
-class NotificationDetails {
+class CONTENT_EXPORT NotificationDetails {
  public:
   NotificationDetails();
   NotificationDetails(const NotificationDetails& other);
   ~NotificationDetails();
 
   // NotificationDetails can be used as the index for a map; this method
   // returns the pointer to the current details as an identifier, for use as a
   // map index.
   uintptr_t map_key() const { return reinterpret_cast<uintptr_t>(ptr_); }
 
@@ skipping 20 matching lines @@
   Details(T* ptr) : NotificationDetails(ptr) {}  // NOLINT
   Details(const NotificationDetails& other)      // NOLINT
     : NotificationDetails(other) {}
 
   T* operator->() const { return ptr(); }
   // The casts here allow this to compile with both T = Foo and T = const Foo.
   T* ptr() const { return static_cast<T*>(const_cast<void*>(ptr_)); }
 };
 
 #endif  // CONTENT_COMMON_NOTIFICATION_DETAILS_H_