[Net] Propagate priority changes from URLRequest to HttpTransaction

net/url_request/url_request_job.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_URL_REQUEST_URL_REQUEST_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_JOB_H_
 
 #include <string>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/system_monitor/system_monitor.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/filter.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/load_states.h"
 #include "net/base/net_export.h"
+#include "net/base/request_priority.h"
 #include "net/base/upload_progress.h"
 #include "net/cookies/canonical_cookie.h"
 
 namespace net {
 
 class AuthChallengeInfo;
 class AuthCredentials;
 class CookieOptions;
 class HttpRequestHeaders;
 class HttpResponseInfo;
@@ skipping 162 matching lines @@
   // base::SystemMonitor::PowerObserver methods:
   // We invoke URLRequestJob::Kill on suspend (crbug.com/4606).
   virtual void OnSuspend() OVERRIDE;
 
   // Called after a NetworkDelegate has been informed that the URLRequest
   // will be destroyed. This is used to track that no pending callbacks
   // exist at destruction time of the URLRequestJob, unless they have been
   // canceled by an explicit NetworkDelegate::NotifyURLRequestDestroyed() call.
   virtual void NotifyURLRequestDestroyed();
 
+  // Called when the priority of the parent request changes.
+  virtual void SetPriority(RequestPriority priority);
+
  protected:
   friend class base::RefCounted<URLRequestJob>;
   virtual ~URLRequestJob();
 
   // Notifies the job that a certificate is requested.
   void NotifyCertificateRequested(SSLCertRequestInfo* cert_request_info);
 
   // Notifies the job about an SSL certificate error.
   void NotifySSLCertificateError(const SSLInfo& ssl_info, bool fatal);
 
@@ skipping 174 matching lines @@
   NetworkDelegate* network_delegate_;
 
   base::WeakPtrFactory<URLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestJob);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_JOB_H_