Remove test-only |verify_domain_authentication|.

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 fb76cf6fd1f7de5a42933c1642d109c1924cfc60..dcd18c5c6122a6cc7d468bb9479c28d40e2e4e8a 100644
--- a/net/spdy/spdy_session.h
+++ b/net/spdy/spdy_session.h
@@ -294,7 +294,6 @@ class NET_EXPORT SpdySession : public BufferedSpdyFramerVisitorInterface,
   SpdySession(const SpdySessionKey& spdy_session_key,
               HttpServerProperties* http_server_properties,
               TransportSecurityState* transport_security_state,
-              bool verify_domain_authentication,
               bool enable_sending_initial_data,
               bool enable_ping_based_connection_checking,
               size_t session_max_recv_window_size,
@@ -1172,7 +1171,6 @@ class NET_EXPORT SpdySession : public BufferedSpdyFramerVisitorInterface,
   NetLogWithSource net_log_;
 
   // Outside of tests, these should always be true.
-  bool verify_domain_authentication_;
   bool enable_sending_initial_data_;
   bool enable_ping_based_connection_checking_;