Create alternative service field trial group.

chrome/browser/io_thread_unittest.cc

Index: chrome/browser/io_thread_unittest.cc
diff --git a/chrome/browser/io_thread_unittest.cc b/chrome/browser/io_thread_unittest.cc
index 87167363f77fd817e0a169da3c37b0f85eac4ce2..2633f43bbff2306aaa3c0b736b3035668f460e7f 100644
--- a/chrome/browser/io_thread_unittest.cc
+++ b/chrome/browser/io_thread_unittest.cc
@@ -97,25 +97,19 @@ TEST_F(IOThreadTest, SpdyFieldTrialHoldbackEnabled) {
 }
 
 TEST_F(IOThreadTest, SpdyFieldTrialSpdy31Enabled) {
-  bool use_alternative_services = false;
   field_trial_group_ = "Spdy31Enabled";
   ConfigureSpdyGlobals();
   EXPECT_THAT(globals_.next_protos,
               ElementsAre(net::kProtoHTTP11,
                           net::kProtoSPDY31));
-  globals_.use_alternative_services.CopyToIfSet(&use_alternative_services);
-  EXPECT_TRUE(use_alternative_services);
 }
 
 TEST_F(IOThreadTest, SpdyFieldTrialSpdy4Enabled) {
-  bool use_alternative_services = false;
   field_trial_group_ = "Spdy4Enabled";
   ConfigureSpdyGlobals();
   EXPECT_THAT(
       globals_.next_protos,
       ElementsAre(net::kProtoHTTP11, net::kProtoSPDY31, net::kProtoHTTP2));
-  globals_.use_alternative_services.CopyToIfSet(&use_alternative_services);
-  EXPECT_TRUE(use_alternative_services);
 }
 
 TEST_F(IOThreadTest, SpdyFieldTrialDefault) {
@@ -124,9 +118,6 @@ TEST_F(IOThreadTest, SpdyFieldTrialDefault) {
   EXPECT_THAT(
       globals_.next_protos,
       ElementsAre(net::kProtoHTTP11, net::kProtoSPDY31, net::kProtoHTTP2));
-  bool use_alternative_services = false;
-  globals_.use_alternative_services.CopyToIfSet(&use_alternative_services);
-  EXPECT_TRUE(use_alternative_services);
 }
 
 TEST_F(IOThreadTest, SpdyFieldTrialParametrized) {
@@ -137,9 +128,6 @@ TEST_F(IOThreadTest, SpdyFieldTrialParametrized) {
   ConfigureSpdyGlobals();
   EXPECT_THAT(globals_.next_protos,
               ElementsAre(net::kProtoHTTP11, net::kProtoHTTP2));
-  bool use_alternative_services = false;
-  globals_.use_alternative_services.CopyToIfSet(&use_alternative_services);
-  EXPECT_TRUE(use_alternative_services);
 }
 
 TEST_F(IOThreadTest, SpdyCommandLineUseSpdyOff) {
@@ -181,6 +169,7 @@ TEST_F(IOThreadTest, EnableQuicFromFieldTrialGroup) {
   EXPECT_FALSE(params.quic_enable_non_blocking_io);
   EXPECT_FALSE(params.quic_disable_disk_cache);
   EXPECT_FALSE(params.quic_prefer_aes);
+  EXPECT_FALSE(params.use_alternative_services);
   EXPECT_EQ(0, params.quic_max_number_of_lossy_connections);
   EXPECT_EQ(1.0f, params.quic_packet_loss_threshold);
   EXPECT_FALSE(IOThread::ShouldEnableQuicForDataReductionProxy());
@@ -374,6 +363,16 @@ TEST_F(IOThreadTest, QuicPreferAes) {
   EXPECT_TRUE(params.quic_prefer_aes);
 }
 
+TEST_F(IOThreadTest, QuicEnableAlternativeServicesFromFieldTrialParams) {
+  field_trial_group_ = "Enabled";
+  field_trial_params_["use_alternative_services"] = "true";
+
+  ConfigureQuicGlobals();
+  net::HttpNetworkSession::Params params;
+  InitializeNetworkSessionParams(&params);
+  EXPECT_TRUE(params.use_alternative_services);
+}
+
 TEST_F(IOThreadTest, QuicMaxNumberOfLossyConnectionsFieldTrialParams) {
   field_trial_group_ = "Enabled";
   field_trial_params_["max_number_of_lossy_connections"] = "5";