Register Physical Web preference in Chrome's local state

ios/chrome/browser/physical_web/physical_web_prefs_registration.cc

Index: ios/chrome/browser/physical_web/physical_web_prefs_registration.cc
diff --git a/ios/chrome/browser/physical_web/physical_web_prefs_registration.cc b/ios/chrome/browser/physical_web/physical_web_prefs_registration.cc
index 8f94b9b6b568b336a37bfb3366eee4bde2a4e0a5..74903663dc56853cc94d7f373293030208d31c09 100644
--- a/ios/chrome/browser/physical_web/physical_web_prefs_registration.cc
+++ b/ios/chrome/browser/physical_web/physical_web_prefs_registration.cc
@@ -5,6 +5,7 @@
 #include "ios/chrome/browser/physical_web/physical_web_prefs_registration.h"
 
 #include "components/pref_registry/pref_registry_syncable.h"
+#include "components/prefs/pref_registry_simple.h"
 #include "ios/chrome/browser/physical_web/physical_web_constants.h"
 #include "ios/chrome/browser/pref_names.h"
 
@@ -14,3 +15,8 @@ void RegisterPhysicalWebBrowserStatePrefs(
       prefs::kIosPhysicalWebEnabled, physical_web::kPhysicalWebOnboarding,
       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 }
+
+void RegisterPhysicalWebLocalStatePrefs(PrefRegistrySimple* registry) {
+  registry->RegisterIntegerPref(prefs::kIosPhysicalWebEnabled,
+                                physical_web::kPhysicalWebOnboarding);
+}