Download resumption - Preliminary

content/public/browser/resource_dispatcher_host.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_H_
 
 #include "base/callback_forward.h"
+#include "content/public/browser/download_id.h"
 #include "net/base/net_errors.h"
 
 namespace net {
 class URLRequest;
 }
 
 namespace content {
 
 class DownloadItem;
 class ResourceContext;
@@ skipping 23 matching lines @@
   // request was generated from a web page, and hence may not be as trustworthy
   // as a browser generated request.
   virtual net::Error BeginDownload(
       scoped_ptr<net::URLRequest> request,
       bool is_content_initiated,
       ResourceContext* context,
       int child_id,
       int route_id,
       bool prefer_cache,
       scoped_ptr<DownloadSaveInfo> save_info,
+      const std::string& last_modified,
+      const std::string& etag,
+      content::DownloadId download_id,
       const DownloadStartedCallback& started_callback) = 0;
 
   // Clears the ResourceDispatcherHostLoginDelegate associated with the request.
   virtual void ClearLoginDelegateForRequest(net::URLRequest* request) = 0;
 
   // Causes all new requests for the route identified by |child_id| and
   // |route_id| to be blocked (not being started) until
   // ResumeBlockedRequestsForRoute is called.
   virtual void BlockRequestsForRoute(int child_id, int route_id) = 0;
 
   // Resumes any blocked request for the specified route id.
   virtual void ResumeBlockedRequestsForRoute(int child_id, int route_id) = 0;
 
  protected:
   virtual ~ResourceDispatcherHost() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RESOURCE_DISPATCHER_HOST_H_