Refactor pooling logic into a helper method

net/spdy/spdy_session_pool.cc

Index: net/spdy/spdy_session_pool.cc
diff --git a/net/spdy/spdy_session_pool.cc b/net/spdy/spdy_session_pool.cc
index 189c9453cadbe7012faaca8112970e032cc19efc..d8397855d94f2c1c0f07a7ce2857ed35dcd2818d 100644
--- a/net/spdy/spdy_session_pool.cc
+++ b/net/spdy/spdy_session_pool.cc
@@ -31,6 +31,7 @@ SpdySessionPool::SpdySessionPool(
     HostResolver* 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,
@@ -41,6 +42,7 @@ SpdySessionPool::SpdySessionPool(
     SpdySessionPool::TimeFunc time_func,
     const std::string& trusted_spdy_proxy)
     : http_server_properties_(http_server_properties),
+      transport_security_state_(transport_security_state),
       ssl_config_service_(ssl_config_service),
       resolver_(resolver),
       verify_domain_authentication_(true),
@@ -98,6 +100,7 @@ base::WeakPtr<SpdySession> SpdySessionPool::CreateAvailableSessionFromSocket(
   scoped_ptr<SpdySession> new_session(
       new SpdySession(key,
                       http_server_properties_,
+                      transport_security_state_,
                       verify_domain_authentication_,
                       enable_sending_initial_data_,
                       enable_compression_,