Remove test-only |verify_domain_authentication|.

net/spdy/spdy_test_util_common.cc

Index: net/spdy/spdy_test_util_common.cc
diff --git a/net/spdy/spdy_test_util_common.cc b/net/spdy/spdy_test_util_common.cc
index 21a4703b34d311f0f2b8a7d2df4efa40e779cb21..1a5fe47fb744ba4c7e1c547d3931681157acebe3 100644
--- a/net/spdy/spdy_test_util_common.cc
+++ b/net/spdy/spdy_test_util_common.cc
@@ -672,10 +672,6 @@ void SpdySessionPoolPeer::RemoveAliases(const SpdySessionKey& key) {
   pool_->RemoveAliases(key);
 }
 
-void SpdySessionPoolPeer::DisableDomainAuthenticationVerification() {
-  pool_->verify_domain_authentication_ = false;
-}
-
 void SpdySessionPoolPeer::SetEnableSendingInitialData(bool enabled) {
   pool_->enable_sending_initial_data_ = enabled;
 }