Refactor pooling logic into a helper method

net/spdy/spdy_session_pool.h

Index: net/spdy/spdy_session_pool.h
diff --git a/net/spdy/spdy_session_pool.h b/net/spdy/spdy_session_pool.h
index 0fad5d2d46b381b3dc8b2e632336e5631f921a66..2fbb03033be3bfdcf64216793f0edc5b58904d84 100644
--- a/net/spdy/spdy_session_pool.h
+++ b/net/spdy/spdy_session_pool.h
@@ -34,6 +34,7 @@ class ClientSocketHandle;
 class HostResolver;
 class HttpServerProperties;
 class SpdySession;
+class TransportSecurityState;
 
 // This is a very simple pool for open SpdySessions.
 class NET_EXPORT SpdySessionPool
@@ -50,6 +51,7 @@ class NET_EXPORT SpdySessionPool
       HostResolver* host_resolver,
       SSLConfigService* ssl_config_service,
       const base::WeakPtr<HttpServerProperties>& http_server_properties,
+      TransportSecurityState* transport_security_state,
       bool force_single_domain,
       bool enable_compression,
       bool enable_ping_based_connection_checking,
@@ -191,6 +193,8 @@ class NET_EXPORT SpdySessionPool
 
   const base::WeakPtr<HttpServerProperties> http_server_properties_;
 
+  TransportSecurityState* transport_security_state_;
+
   // The set of all sessions. This is a superset of the sessions in
   // |available_sessions_|.
   //