Revert r113405, since it appears to be causing a crash and a hang.

net/socket/transport_client_socket_pool.h

Index: net/socket/transport_client_socket_pool.h
diff --git a/net/socket/transport_client_socket_pool.h b/net/socket/transport_client_socket_pool.h
index a23c8b9a604b5df12c98d42f42e7d474da06017f..f64338adff511b9c32e6d5544eeb36eb5e07d672 100644
--- a/net/socket/transport_client_socket_pool.h
+++ b/net/socket/transport_client_socket_pool.h
@@ -157,7 +157,6 @@ class NET_EXPORT_PRIVATE TransportClientSocketPool : public ClientSocketPool {
                              StreamSocket* socket,
                              int id) OVERRIDE;
   virtual void Flush() OVERRIDE;
-  virtual bool IsStalled() const OVERRIDE;
   virtual void CloseIdleSockets() OVERRIDE;
   virtual int IdleSocketCount() const OVERRIDE;
   virtual int IdleSocketCountInGroup(
@@ -165,8 +164,6 @@ class NET_EXPORT_PRIVATE TransportClientSocketPool : public ClientSocketPool {
   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,