[Net] Propagate priority changes from HttpNetworkTransaction to its request

net/http/http_stream_factory_impl.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_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_IMPL_H_
 
 #include <map>
 #include <set>
 #include <vector>
 
+#include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_log.h"
 #include "net/http/http_pipelined_host_pool.h"
 #include "net/http/http_stream_factory.h"
 #include "net/proxy/proxy_server.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/spdy/spdy_session_key.h"
 
 namespace net {
@@ skipping 37 matching lines @@
   virtual base::Value* PipelineInfoToValue() const OVERRIDE;
   virtual const HostMappingRules* GetHostMappingRules() const OVERRIDE;
 
   // HttpPipelinedHostPool::Delegate interface
   virtual void OnHttpPipelinedHostHasAdditionalCapacity(
       HttpPipelinedHost* host) OVERRIDE;
 
   size_t num_orphaned_jobs() const { return orphaned_job_set_.size(); }
 
  private:
-  class Request;
-  class Job;
+  FRIEND_TEST_ALL_PREFIXES(HttpStreamFactoryImplRequestTest, SetPriority);
+
+  class NET_EXPORT_PRIVATE Request;
+  class NET_EXPORT_PRIVATE Job;
 
   typedef std::set<Request*> RequestSet;
   typedef std::vector<Request*> RequestVector;
   typedef std::map<SpdySessionKey, RequestSet> SpdySessionRequestMap;
   typedef std::map<HttpPipelinedHost::Key,
                    RequestVector> HttpPipeliningRequestMap;
 
   HttpStreamRequest* RequestStreamInternal(
       const HttpRequestInfo& info,
       RequestPriority priority,
@@ skipping 65 matching lines @@
   // deleted when the factory is destroyed.
   std::set<const Job*> preconnect_job_set_;
 
   const bool for_websockets_;
   DISALLOW_COPY_AND_ASSIGN(HttpStreamFactoryImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_H_