Remove obsolete QUIC disabling code.

net/url_request/url_request_context_builder.h

Index: net/url_request/url_request_context_builder.h
diff --git a/net/url_request/url_request_context_builder.h b/net/url_request/url_request_context_builder.h
index 49bf00f24f5b6619ef5ecd036d01e712d3222b21..29768464feef168a3545ca1f04798ba354d86d22 100644
--- a/net/url_request/url_request_context_builder.h
+++ b/net/url_request/url_request_context_builder.h
@@ -97,10 +97,8 @@ class NET_EXPORT URLRequestContextBuilder {
     std::string quic_user_agent_id;
     int quic_max_server_configs_stored_in_properties;
     bool quic_delay_tcp_race;
-    int quic_max_number_of_lossy_connections;
     std::unordered_set<std::string> quic_host_whitelist;
     bool quic_prefer_aes;
-    float quic_packet_loss_threshold;
     int quic_idle_connection_timeout_seconds;
     QuicTagVector quic_connection_options;
     bool quic_close_sessions_on_ip_change;
@@ -237,17 +235,6 @@ class NET_EXPORT URLRequestContextBuilder {
     http_network_session_params_.quic_delay_tcp_race = quic_delay_tcp_race;
   }
 
-  void set_quic_max_number_of_lossy_connections(
-      int quic_max_number_of_lossy_connections) {
-    http_network_session_params_.quic_max_number_of_lossy_connections =
-        quic_max_number_of_lossy_connections;
-  }
-
-  void set_quic_packet_loss_threshold(float quic_packet_loss_threshold) {
-    http_network_session_params_.quic_packet_loss_threshold =
-        quic_packet_loss_threshold;
-  }
-
   void set_quic_idle_connection_timeout_seconds(
       int quic_idle_connection_timeout_seconds) {
     http_network_session_params_.quic_idle_connection_timeout_seconds =