Reland rest of r77399.

net/socket/client_socket_pool_base.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.
 //
 // A ClientSocketPoolBase is used to restrict the number of sockets open at
 // a time.  It also maintains a list of idle persistent sockets for reuse.
 // Subclasses of ClientSocketPool should compose ClientSocketPoolBase to handle
 // the core logic of (1) restricting the number of active (connected or
 // connecting) sockets per "group" (generally speaking, the hostname), (2)
 // maintaining a per-group list of idle, persistent sockets for reuse, and (3)
@@ skipping 265 matching lines @@
   void CleanupIdleSockets(bool force);
 
   // See ClientSocketPool::GetInfoAsValue for documentation on this function.
   DictionaryValue* GetInfoAsValue(const std::string& name,
                                   const std::string& type) const;
 
   base::TimeDelta ConnectionTimeout() const {
     return connect_job_factory_->ConnectionTimeout();
   }
 
+  static bool connect_backup_jobs_enabled();
   static void set_connect_backup_jobs_enabled(bool enabled);
+
   void EnableConnectBackupJobs();
 
   // ConnectJob::Delegate methods:
   virtual void OnConnectJobComplete(int result, ConnectJob* job);
 
   // NetworkChangeNotifier::IPAddressObserver methods:
   virtual void OnIPAddressChanged();
 
  private:
   friend class base::RefCounted<ClientSocketPoolBaseHelper>;
@@ skipping 440 matching lines @@
   // Histograms for the pool
   ClientSocketPoolHistograms* const histograms_;
   internal::ClientSocketPoolBaseHelper helper_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSocketPoolBase);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_CLIENT_SOCKET_POOL_BASE_H_