When an idle socket is added back to a socket pool, check for stalled jobs in lower 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 <string>
 
 #include "base/basictypes.h"
@@ skipping 156 matching lines @@
 
   HttpResponseInfo error_response_info_;
 
   SpdyStreamRequest spdy_stream_request_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpProxyConnectJob);
 };
 
 class NET_EXPORT_PRIVATE HttpProxyClientSocketPool
     : public ClientSocketPool,
-      public LayeredPool {
+      public HigherLayeredPool {
  public:
   typedef HttpProxySocketParams SocketParams;
 
   HttpProxyClientSocketPool(
       int max_sockets,
       int max_sockets_per_group,
       ClientSocketPoolHistograms* histograms,
       HostResolver* host_resolver,
       TransportClientSocketPool* transport_pool,
       SSLClientSocketPool* ssl_pool,
@@ skipping 16 matching lines @@
 
   virtual void CancelRequest(const std::string& group_name,
                              ClientSocketHandle* handle) OVERRIDE;
 
   virtual void ReleaseSocket(const std::string& group_name,
                              scoped_ptr<StreamSocket> socket,
                              int id) OVERRIDE;
 
   virtual void FlushWithError(int error) OVERRIDE;
 
-  virtual bool IsStalled() const OVERRIDE;
-
   virtual void CloseIdleSockets() OVERRIDE;
 
   virtual int IdleSocketCount() const OVERRIDE;
 
   virtual int IdleSocketCountInGroup(
       const std::string& group_name) const OVERRIDE;
 
   virtual LoadState GetLoadState(
       const std::string& group_name,
       const ClientSocketHandle* handle) const OVERRIDE;
 
-  virtual void AddLayeredPool(LayeredPool* layered_pool) OVERRIDE;
-
-  virtual void RemoveLayeredPool(LayeredPool* layered_pool) OVERRIDE;
-
   virtual base::DictionaryValue* GetInfoAsValue(
       const std::string& name,
       const std::string& type,
       bool include_nested_pools) const OVERRIDE;
 
   virtual base::TimeDelta ConnectionTimeout() const OVERRIDE;
 
   virtual ClientSocketPoolHistograms* histograms() const OVERRIDE;
 
-  // LayeredPool implementation.
+  // LowerLayeredPool implementation.
+  virtual bool IsStalled() const OVERRIDE;
+
+  virtual void AddHigherLayeredPool(HigherLayeredPool* higher_pool) OVERRIDE;
+
+  virtual void RemoveHigherLayeredPool(HigherLayeredPool* higher_pool) OVERRIDE;
+
+  // HigherLayeredPool implementation.
   virtual bool CloseOneIdleConnection() OVERRIDE;
 
  private:
   typedef ClientSocketPoolBase<HttpProxySocketParams> PoolBase;
 
   class HttpProxyConnectJobFactory : public PoolBase::ConnectJobFactory {
    public:
     HttpProxyConnectJobFactory(
         TransportClientSocketPool* transport_pool,
         SSLClientSocketPool* ssl_pool,
@@ skipping 21 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_