Do not attempt to reuse active sockets after a socket pool flush (usually a network change).

net/socket/client_socket_handle.h

 // Copyright (c) 2010 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_SOCKET_CLIENT_SOCKET_HANDLE_H_
 #define NET_SOCKET_CLIENT_SOCKET_HANDLE_H_
 
 #include <string>
 
 #include "base/logging.h"
@@ skipping 75 matching lines @@
   // Returns the time tick when Init() was called.
   base::TimeTicks init_time() const { return init_time_; }
 
   // Returns the time between Init() and when is_initialized() becomes true.
   base::TimeDelta setup_time() const { return setup_time_; }
 
   // Used by ClientSocketPool to initialize the ClientSocketHandle.
   void set_is_reused(bool is_reused) { is_reused_ = is_reused; }
   void set_socket(ClientSocket* s) { socket_.reset(s); }
   void set_idle_time(base::TimeDelta idle_time) { idle_time_ = idle_time; }
+  void set_pool_id(int id) { pool_id_ = id; }
 
   // These may only be used if is_initialized() is true.
   const std::string& group_name() const { return group_name_; }
   ClientSocket* socket() { return socket_.get(); }
   ClientSocket* release_socket() { return socket_.release(); }
   bool is_reused() const { return is_reused_; }
   base::TimeDelta idle_time() const { return idle_time_; }
   SocketReuseType reuse_type() const {
     if (is_reused()) {
       return REUSED_IDLE;
@@ skipping 29 matching lines @@
   // not to try to cancel the request with the ClientSocketPool.
   void ResetInternal(bool cancel);
 
   scoped_refptr<ClientSocketPool> pool_;
   scoped_ptr<ClientSocket> socket_;
   std::string group_name_;
   bool is_reused_;
   CompletionCallbackImpl<ClientSocketHandle> callback_;
   CompletionCallback* user_callback_;
   base::TimeDelta idle_time_;
+  int pool_id_;  // See ClientSocketPool::ReleaseSocket() for an explanation.
   base::TimeTicks init_time_;
   base::TimeDelta setup_time_;
 
   NetLog::Source requesting_source_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSocketHandle);
 };
 
 // Template function implementation:
 template <typename SocketParams, typename PoolType>
@@ skipping 20 matching lines @@
     user_callback_ = callback;
   } else {
     HandleInitCompletion(rv);
   }
   return rv;
 }
 
 }  // namespace net
 
 #endif  // NET_SOCKET_CLIENT_SOCKET_HANDLE_H_