Remove the unused QUIC port selection logic.

net/quic/chromium/quic_stream_factory_test.cc

Index: net/quic/chromium/quic_stream_factory_test.cc
diff --git a/net/quic/chromium/quic_stream_factory_test.cc b/net/quic/chromium/quic_stream_factory_test.cc
index d31369a4164c5e7599913aae2263563f7ff8e167..d4f50991083c57a3aa8bc85c9caca62ef4f9642c 100644
--- a/net/quic/chromium/quic_stream_factory_test.cc
+++ b/net/quic/chromium/quic_stream_factory_test.cc
@@ -243,7 +243,6 @@ class QuicStreamFactoryTestBase {
         url3_(kServer3Url),
         url4_(kServer4Url),
         privacy_mode_(PRIVACY_MODE_DISABLED),
-        enable_port_selection_(true),
         always_require_handshake_confirmation_(false),
         disable_connection_pooling_(false),
         load_server_info_timeout_srtt_multiplier_(0.0f),
@@ -284,10 +283,10 @@ class QuicStreamFactoryTestBase {
         /*SocketPerformanceWatcherFactory*/ nullptr,
         &crypto_client_stream_factory_, &random_generator_, clock_,
         kDefaultMaxPacketSize, string(), SupportedVersions(version_),
-        enable_port_selection_, always_require_handshake_confirmation_,
-        disable_connection_pooling_, load_server_info_timeout_srtt_multiplier_,
-        enable_connection_racing_, enable_non_blocking_io_, disable_disk_cache_,
-        prefer_aes_, receive_buffer_size_, delay_tcp_race_,
+        always_require_handshake_confirmation_, disable_connection_pooling_,
+        load_server_info_timeout_srtt_multiplier_, enable_connection_racing_,
+        enable_non_blocking_io_, disable_disk_cache_, prefer_aes_,
+        receive_buffer_size_, delay_tcp_race_,
         /*max_server_configs_stored_in_properties*/ 0,
         close_sessions_on_ip_change_,
         disable_quic_on_timeout_with_open_streams_,
@@ -735,7 +734,6 @@ class QuicStreamFactoryTestBase {
   TestCompletionCallback callback_;
 
   // Variables to configure QuicStreamFactory.
-  bool enable_port_selection_;
   bool always_require_handshake_confirmation_;
   bool disable_connection_pooling_;
   double load_server_info_timeout_srtt_multiplier_;