[Net] Propagate priority changes from HttpNetworkTransaction to its request

net/http/http_stream_factory_impl_request.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 NET_HTTP_HTTP_STREAM_FACTORY_IMPL_REQUEST_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_IMPL_REQUEST_H_
 
 #include <set>
 #include "base/memory/scoped_ptr.h"
 #include "net/base/net_log.h"
@@ skipping 87 matching lines @@
       Job *job,
       const HttpResponseInfo& response_info,
       const SSLConfig& used_ssl_config,
       const ProxyInfo& used_proxy_info,
       HttpStreamBase* stream);
 
   // HttpStreamRequest methods.
 
   virtual int RestartTunnelWithProxyAuth(
       const AuthCredentials& credentials) OVERRIDE;
+  virtual void SetPriority(RequestPriority priority) OVERRIDE;
   virtual LoadState GetLoadState() const OVERRIDE;
   virtual bool was_npn_negotiated() const OVERRIDE;
   virtual NextProto protocol_negotiated() const OVERRIDE;
   virtual bool using_spdy() const OVERRIDE;
 
  private:
   // Used to orphan all jobs in |jobs_| other than |job| which becomes "bound"
   // to the request.
   void OrphanJobsExcept(Job* job);
 
@@ skipping 20 matching lines @@
   // Protocol negotiated with the server.
   NextProto protocol_negotiated_;
   bool using_spdy_;
 
   DISALLOW_COPY_AND_ASSIGN(Request);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_REQUEST_H_