Close idle connections / SPDY sessions when needed.

net/socket/ssl_client_socket_pool.h

Index: net/socket/ssl_client_socket_pool.h
diff --git a/net/socket/ssl_client_socket_pool.h b/net/socket/ssl_client_socket_pool.h
index e29bea57fd4060961c1ad2ee4a12508d5c6c03b9..b851c967f553297c9c4d3dad937fcee57619d671 100644
--- a/net/socket/ssl_client_socket_pool.h
+++ b/net/socket/ssl_client_socket_pool.h
@@ -168,6 +168,7 @@ class SSLConnectJob : public ConnectJob {
 
 class NET_EXPORT_PRIVATE SSLClientSocketPool
     : public ClientSocketPool,
+      public LayeredPool,
       public SSLConfigService::Observer {
  public:
   // Only the pools that will be used are required. i.e. if you never
@@ -197,39 +198,50 @@ class NET_EXPORT_PRIVATE SSLClientSocketPool
                             RequestPriority priority,
                             ClientSocketHandle* handle,
                             OldCompletionCallback* callback,
-                            const BoundNetLog& net_log);
+                            const BoundNetLog& net_log) OVERRIDE;
 
   virtual void RequestSockets(const std::string& group_name,
                               const void* params,
                               int num_sockets,
-                              const BoundNetLog& net_log);
+                              const BoundNetLog& net_log) OVERRIDE;
 
   virtual void CancelRequest(const std::string& group_name,
-                             ClientSocketHandle* handle);
+                             ClientSocketHandle* handle) OVERRIDE;
 
   virtual void ReleaseSocket(const std::string& group_name,
                              StreamSocket* socket,
-                             int id);
+                             int id) OVERRIDE;
 
-  virtual void Flush();
+  virtual void Flush() OVERRIDE;
 
-  virtual void CloseIdleSockets();
+  virtual bool IsStalled() const OVERRIDE;
 
-  virtual int IdleSocketCount() const;
+  virtual void CloseIdleSockets() OVERRIDE;
 
-  virtual int IdleSocketCountInGroup(const std::string& group_name) const;
+  virtual int IdleSocketCount() const OVERRIDE;
 
-  virtual LoadState GetLoadState(const std::string& group_name,
-                                 const ClientSocketHandle* handle) const;
+  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;
+      bool include_nested_pools) const OVERRIDE;
+
+  virtual base::TimeDelta ConnectionTimeout() const OVERRIDE;
 
-  virtual base::TimeDelta ConnectionTimeout() const;
+  virtual ClientSocketPoolHistograms* histograms() const OVERRIDE;
 
-  virtual ClientSocketPoolHistograms* histograms() const;
+  // LayeredPool methods:
+  virtual bool CloseOneIdleConnection() OVERRIDE;
 
  private:
   typedef ClientSocketPoolBase<SSLSocketParams> PoolBase;