Index: chrome/browser/net/system_network_context_manager.cc
--- chrome/browser/net/system_network_context_manager.cc.orig
+++ chrome/browser/net/system_network_context_manager.cc
@@ -138,7 +138,7 @@ enum class NetworkSandboxState {
 // The global instance of the SystemNetworkContextManager.
 SystemNetworkContextManager* g_system_network_context_manager = nullptr;
 
-#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
 // Whether kerberos library loading will work in the network service due to the
 // sandbox.
 bool g_network_service_will_allow_gssapi_library_load = false;
@@ -146,7 +146,7 @@ bool g_network_service_will_allow_gssapi_library_load 
 const char* kGssapiDesiredPref =
 #if BUILDFLAG(IS_CHROMEOS)
     prefs::kKerberosEnabled;
-#elif BUILDFLAG(IS_LINUX)
+#elif BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
     prefs::kReceivedHttpAuthNegotiateHeader;
 #endif
 #endif  // BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
@@ -192,7 +192,7 @@ network::mojom::HttpAuthDynamicParamsPtr CreateHttpAut
   auth_dynamic_params->basic_over_http_enabled =
       local_state->GetBoolean(prefs::kBasicAuthOverHttpEnabled);
 
-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
   auth_dynamic_params->delegate_by_kdc_policy =
       local_state->GetBoolean(prefs::kAuthNegotiateDelegateByKdcPolicy);
 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS)
@@ -207,7 +207,7 @@ network::mojom::HttpAuthDynamicParamsPtr CreateHttpAut
       local_state->GetString(prefs::kAuthAndroidNegotiateAccountType);
 #endif  // BUILDFLAG(IS_ANDROID)
 
-#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
   auth_dynamic_params->allow_gssapi_library_load =
       local_state->GetBoolean(kGssapiDesiredPref);
 #endif  // BUILDFLAG(IS_CHROMEOS)
@@ -217,7 +217,7 @@ network::mojom::HttpAuthDynamicParamsPtr CreateHttpAut
 
 void OnNewHttpAuthDynamicParams(
     network::mojom::HttpAuthDynamicParamsPtr& params) {
-#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
   // The kerberos library is incompatible with the network service sandbox, so
   // if library loading is now enabled, the network service needs to be
   // restarted. It will be restarted unsandboxed because is
@@ -265,11 +265,11 @@ NetworkSandboxState IsNetworkSandboxEnabledInternal() 
     // it is not always initialized.
     CHECK_IS_TEST();
   }
-#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
   auto* local_state = g_browser_process->local_state();
 #endif
 
-#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
   // The network service sandbox and the kerberos library are incompatible.
   // If kerberos is enabled by policy, disable the network service sandbox.
   if (g_network_service_will_allow_gssapi_library_load ||
@@ -285,7 +285,7 @@ NetworkSandboxState IsNetworkSandboxEnabledInternal() 
   }
 #endif  // BUILDFLAG(IS_WIN)
 
-#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
   if (local_state &&
       local_state->HasPrefPath(prefs::kNetworkServiceSandboxEnabled)) {
     return local_state->GetBoolean(prefs::kNetworkServiceSandboxEnabled)
@@ -588,7 +588,7 @@ void SystemNetworkContextManager::DeleteInstance() {
   g_system_network_context_manager = nullptr;
 }
 
-#if BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
 SystemNetworkContextManager::GssapiLibraryLoadObserver::
     GssapiLibraryLoadObserver(SystemNetworkContextManager* owner)
     : owner_(owner) {}
@@ -646,7 +646,7 @@ SystemNetworkContextManager::SystemNetworkContextManag
   pref_change_registrar_.Add(prefs::kAllHttpAuthSchemesAllowedForOrigins,
                              auth_pref_callback);
 
-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
   pref_change_registrar_.Add(prefs::kAuthNegotiateDelegateByKdcPolicy,
                              auth_pref_callback);
 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS)
@@ -660,7 +660,7 @@ SystemNetworkContextManager::SystemNetworkContextManag
                              auth_pref_callback);
 #endif  // BUILDFLAG(IS_ANDROID)
 
-#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
   pref_change_registrar_.Add(kGssapiDesiredPref, auth_pref_callback);
 #endif  // BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
 
@@ -732,7 +732,7 @@ void SystemNetworkContextManager::RegisterPrefs(PrefRe
   registry->RegisterStringPref(prefs::kAuthNegotiateDelegateAllowlist,
                                std::string());
 
-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
   registry->RegisterBooleanPref(prefs::kAuthNegotiateDelegateByKdcPolicy,
                                 false);
 #endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_CHROMEOS)
@@ -757,11 +757,11 @@ void SystemNetworkContextManager::RegisterPrefs(PrefRe
 
   registry->RegisterListPref(prefs::kExplicitlyAllowedNetworkPorts);
 
-#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
   registry->RegisterBooleanPref(prefs::kNetworkServiceSandboxEnabled, true);
 #endif  // BUILDFLAG(IS_WIN) || BUILDFLAG(IS_LINUX)
 
-#if BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
   registry->RegisterBooleanPref(prefs::kReceivedHttpAuthNegotiateHeader, false);
 #endif  // BUILDFLAG(IS_LINUX)
 
@@ -815,7 +815,7 @@ void SystemNetworkContextManager::OnNetworkServiceCrea
   OnNewHttpAuthDynamicParams(http_auth_dynamic_params);
   network_service->ConfigureHttpAuthPrefs(std::move(http_auth_dynamic_params));
 
-#if BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
   gssapi_library_loader_observer_.Install(network_service);
 #endif  // BUILDFLAG(IS_LINUX)
 
@@ -1047,7 +1047,7 @@ bool SystemNetworkContextManager::IsNetworkSandboxEnab
       break;
   }
 
-#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
   if (!enabled) {
     g_network_service_will_allow_gssapi_library_load = true;
   }
