Remove obsolete QUIC disabling code.

components/cronet/url_request_context_config_unittest.cc

Index: components/cronet/url_request_context_config_unittest.cc
diff --git a/components/cronet/url_request_context_config_unittest.cc b/components/cronet/url_request_context_config_unittest.cc
index 0c82e96b21a97ec3e57cf47ba7dbe5b956196a06..7d0a54cac1a7814784940aad7638cc1b6be5de1f 100644
--- a/components/cronet/url_request_context_config_unittest.cc
+++ b/components/cronet/url_request_context_config_unittest.cc
@@ -40,10 +40,8 @@ TEST(URLRequestContextConfigTest, TestExperimentalOptionPassing) {
       // JSON encoded experimental options.
       "{\"QUIC\":{\"max_server_configs_stored_in_properties\":2,"
       "\"delay_tcp_race\":true,"
-      "\"max_number_of_lossy_connections\":10,"
       "\"prefer_aes\":true,"
       "\"user_agent_id\":\"Custom QUIC UAID\","
-      "\"packet_loss_threshold\":0.5,"
       "\"idle_connection_timeout_seconds\":300,"
       "\"close_sessions_on_ip_change\":true,"
       "\"race_cert_verification\":true,"
@@ -97,10 +95,6 @@ TEST(URLRequestContextConfigTest, TestExperimentalOptionPassing) {
   // Check prefer_aes.
   EXPECT_TRUE(params->quic_prefer_aes);
 
-  // Check max_number_of_lossy_connections and packet_loss_threshold.
-  EXPECT_EQ(10, params->quic_max_number_of_lossy_connections);
-  EXPECT_FLOAT_EQ(0.5f, params->quic_packet_loss_threshold);
-
   // Check idle_connection_timeout_seconds.
   EXPECT_EQ(300, params->quic_idle_connection_timeout_seconds);