Require a CTVerifier and CTPolicyEnforcer for TLS/QUIC sockets

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 eeb855ecc1f584b0faf2176cb40772a9e79e044c..3440a612146b36200075656f8828a2af6dd9d941 100644
--- a/ios/web/shell/shell_url_request_context_getter.mm
+++ b/ios/web/shell/shell_url_request_context_getter.mm
@@ -19,6 +19,8 @@
 #include "ios/web/shell/shell_network_delegate.h"
 #include "net/base/cache_type.h"
 #include "net/cert/cert_verifier.h"
+#include "net/cert/ct_policy_enforcer.h"
+#include "net/cert/multi_log_ct_verifier.h"
 #include "net/dns/host_resolver.h"
 #include "net/extras/sqlite/sqlite_persistent_cookie_store.h"
 #include "net/http/http_auth_handler_factory.h"
@@ -99,6 +101,10 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
 
     storage_->set_transport_security_state(
         base::WrapUnique(new net::TransportSecurityState()));
+    storage_->set_cert_transparency_verifier(
+        base::WrapUnique(new net::MultiLogCTVerifier));
+    storage_->set_ct_policy_enforcer(
+        base::WrapUnique(new net::CTPolicyEnforcer));
     transport_security_persister_.reset(new net::TransportSecurityPersister(
         url_request_context_->transport_security_state(), base_path_,
         file_task_runner_, false));
@@ -121,6 +127,10 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
         url_request_context_->cert_verifier();
     network_session_params.transport_security_state =
         url_request_context_->transport_security_state();
+    network_session_params.cert_transparency_verifier =
+        url_request_context_->cert_transparency_verifier();
+    network_session_params.ct_policy_enforcer =
+        url_request_context_->ct_policy_enforcer();
     network_session_params.channel_id_service =
         url_request_context_->channel_id_service();
     network_session_params.net_log = url_request_context_->net_log();