Add reprioritization to socket pools.

net/http/http_proxy_client_socket_pool.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_PROXY_CLIENT_SOCKET_POOL_H_
 #define NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_POOL_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 143 matching lines @@
                     RespectLimits respect_limits,
                     ClientSocketHandle* handle,
                     const CompletionCallback& callback,
                     const NetLogWithSource& net_log) override;
 
   void RequestSockets(const std::string& group_name,
                       const void* params,
                       int num_sockets,
                       const NetLogWithSource& net_log) override;
 
+  void SetPriority(const std::string& group_name,
+                   ClientSocketHandle* handle,
+                   RequestPriority priority) override;
+
   void CancelRequest(const std::string& group_name,
                      ClientSocketHandle* handle) override;
 
   void ReleaseSocket(const std::string& group_name,
                      std::unique_ptr<StreamSocket> socket,
                      int id) override;
 
   void FlushWithError(int error) override;
 
   void CloseIdleSockets() override;
@@ skipping 51 matching lines @@
   TransportClientSocketPool* const transport_pool_;
   SSLClientSocketPool* const ssl_pool_;
   PoolBase base_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpProxyClientSocketPool);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_PROXY_CLIENT_SOCKET_POOL_H_