Implement HTTP/2 settings field trial parameters.

components/network_session_configurator/network_session_configurator_unittest.cc

Index: components/network_session_configurator/network_session_configurator_unittest.cc
diff --git a/components/network_session_configurator/network_session_configurator_unittest.cc b/components/network_session_configurator/network_session_configurator_unittest.cc
index ccea4fbcb5caf5b4369b66bc6feab1548fa02bab..09fd36038f957538c92d06fa37f35b76173138cb 100644
--- a/components/network_session_configurator/network_session_configurator_unittest.cc
+++ b/components/network_session_configurator/network_session_configurator_unittest.cc
@@ -13,6 +13,7 @@
 #include "components/variations/variations_associated_data.h"
 #include "net/http/http_stream_factory.h"
 #include "net/quic/core/quic_packets.h"
+#include "net/spdy/spdy_protocol.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace test {
@@ -46,6 +47,7 @@ TEST_F(NetworkSessionConfiguratorTest, Defaults) {
   EXPECT_EQ(0u, params_.testing_fixed_http_port);
   EXPECT_EQ(0u, params_.testing_fixed_https_port);
   EXPECT_TRUE(params_.enable_http2);
+  EXPECT_TRUE(params_.http2_settings.empty());
   EXPECT_FALSE(params_.enable_tcp_fast_open_for_ssl);
   EXPECT_TRUE(params_.enable_quic_alternative_service_with_different_host);
   EXPECT_FALSE(params_.enable_quic);
@@ -295,6 +297,20 @@ TEST_F(NetworkSessionConfiguratorTest,
   EXPECT_EQ(options, params_.quic_connection_options);
 }
 
+TEST_F(NetworkSessionConfiguratorTest, Http2SettingsFromFieldTrialParams) {
+  std::map<std::string, std::string> field_trial_params;
+  field_trial_params["http2_settings"] = "7:1234,25:5678";
+  variations::AssociateVariationParams("HTTP2", "Enabled", field_trial_params);
+  base::FieldTrialList::CreateFieldTrial("HTTP2", "Enabled");
+
+  ParseFieldTrials();
+
+  net::SettingsMap expected_settings;
+  expected_settings[static_cast<net::SpdySettingsIds>(7)] = 1234;
+  expected_settings[static_cast<net::SpdySettingsIds>(25)] = 5678;
+  EXPECT_EQ(expected_settings, params_.http2_settings);
+}
+
 TEST_F(NetworkSessionConfiguratorTest,
        QuicAlwaysRequireHandshakeConfirmationFromFieldTrialParams) {
   std::map<std::string, std::string> field_trial_params;