Support the Clear-Site-Data header on resource requests

content/common/net/url_request_service_worker_data.h

 // Copyright 2016 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_COMMON_NET_URL_REQUEST_SERVICE_WORKER_DATA_H_
 #define CONTENT_COMMON_NET_URL_REQUEST_SERVICE_WORKER_DATA_H_
 
 #include "base/supports_user_data.h"
+#include "content/common/content_export.h"
 
 namespace content {
 
 // Used to annotate all URLRequests for which the request originated in the
 // Service Worker and for initial Service Worker script loads.
 // Summarized this includes requests due to:
 //  - fetching Service Worker script itself for installation,
 //  - importing other scripts from within a Service Worker script,
 //  - calling fetch() from within a Service Worker script.
-class URLRequestServiceWorkerData : public base::SupportsUserData::Data {
+class CONTENT_EXPORT URLRequestServiceWorkerData
+    : public base::SupportsUserData::Data {
  public:
   URLRequestServiceWorkerData();
   ~URLRequestServiceWorkerData() override;
 
   static const void* kUserDataKey;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_NET_URL_REQUEST_SERVICE_WORKER_DATA_H_