Split HttpNetworkSession::Params into two structs.

ios/web/shell/shell_url_request_context_getter.mm

Index: ios/web/shell/shell_url_request_context_getter.mm
diff --git a/ios/web/shell/shell_url_request_context_getter.mm b/ios/web/shell/shell_url_request_context_getter.mm
index 4805d544e1212b3bf6f2e60b126e106e3c0893d3..ce2d5d3d89f7a9de6a1e2cfd9a56de78e859e163 100644
--- a/ios/web/shell/shell_url_request_context_getter.mm
+++ b/ios/web/shell/shell_url_request_context_getter.mm
@@ -120,27 +120,27 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
         net::HttpAuthHandlerFactory::CreateDefault(host_resolver.get()));
     storage_->set_host_resolver(std::move(host_resolver));
 
-    net::HttpNetworkSession::Params network_session_params;
-    network_session_params.cert_verifier =
+    net::HttpNetworkSession::Context network_session_context;
+    network_session_context.cert_verifier =
         url_request_context_->cert_verifier();
-    network_session_params.transport_security_state =
+    network_session_context.transport_security_state =
         url_request_context_->transport_security_state();
-    network_session_params.cert_transparency_verifier =
+    network_session_context.cert_transparency_verifier =
         url_request_context_->cert_transparency_verifier();
-    network_session_params.ct_policy_enforcer =
+    network_session_context.ct_policy_enforcer =
         url_request_context_->ct_policy_enforcer();
-    network_session_params.channel_id_service =
+    network_session_context.channel_id_service =
         url_request_context_->channel_id_service();
-    network_session_params.net_log = url_request_context_->net_log();
-    network_session_params.proxy_service =
+    network_session_context.net_log = url_request_context_->net_log();
+    network_session_context.proxy_service =
         url_request_context_->proxy_service();
-    network_session_params.ssl_config_service =
+    network_session_context.ssl_config_service =
         url_request_context_->ssl_config_service();
-    network_session_params.http_auth_handler_factory =
+    network_session_context.http_auth_handler_factory =
         url_request_context_->http_auth_handler_factory();
-    network_session_params.http_server_properties =
+    network_session_context.http_server_properties =
         url_request_context_->http_server_properties();
-    network_session_params.host_resolver =
+    network_session_context.host_resolver =
         url_request_context_->host_resolver();
 
     base::FilePath cache_path = base_path_.Append(FILE_PATH_LITERAL("Cache"));
@@ -150,7 +150,8 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
                                            cache_path, 0, cache_task_runner_));
 
     storage_->set_http_network_session(
-        base::MakeUnique<net::HttpNetworkSession>(network_session_params));
+        base::MakeUnique<net::HttpNetworkSession>(
+            net::HttpNetworkSession::Params(), network_session_context));
     storage_->set_http_transaction_factory(base::MakeUnique<net::HttpCache>(
         storage_->http_network_session(), std::move(main_backend),
         true /* set_up_quic_server_info */));