Refactor pooling logic into a helper method

net/spdy/spdy_session.h

Index: net/spdy/spdy_session.h
diff --git a/net/spdy/spdy_session.h b/net/spdy/spdy_session.h
index 4037e03601a414373c8d98772e947b100c8080a2..1b88f80379558f5754b42633b533a374d654e3dc 100644
--- a/net/spdy/spdy_session.h
+++ b/net/spdy/spdy_session.h
@@ -70,6 +70,7 @@ class BoundNetLog;
 struct LoadTimingInfo;
 class SpdyStream;
 class SSLInfo;
+class TransportSecurityState;
 
 // NOTE: There's an enum of the same name (also with numeric suffixes)
 // in histograms.xml. Be sure to add new values there also.
@@ -229,6 +230,7 @@ class NET_EXPORT SpdySession : public BufferedSpdyFramerVisitorInterface,
   // network events to.
   SpdySession(const SpdySessionKey& spdy_session_key,
               const base::WeakPtr<HttpServerProperties>& http_server_properties,
+              TransportSecurityState* transport_security_state,
               bool verify_domain_authentication,
               bool enable_sending_initial_data,
               bool enable_compression,
@@ -963,6 +965,8 @@ class NET_EXPORT SpdySession : public BufferedSpdyFramerVisitorInterface,
   SpdySessionPool* pool_;
   const base::WeakPtr<HttpServerProperties> http_server_properties_;
 
+  TransportSecurityState* transport_security_state_;
+
   // The socket handle for this session.
   scoped_ptr<ClientSocketHandle> connection_;