Register Physical Web preference in Chrome's local state

ios/chrome/browser/prefs/browser_prefs.mm

Index: ios/chrome/browser/prefs/browser_prefs.mm
diff --git a/ios/chrome/browser/prefs/browser_prefs.mm b/ios/chrome/browser/prefs/browser_prefs.mm
index 4c7e6386b0103b20c68178d1d87318ceddc7a057..2ad7cbc23a6278f504850a2338626d43a5721f92 100644
--- a/ios/chrome/browser/prefs/browser_prefs.mm
+++ b/ios/chrome/browser/prefs/browser_prefs.mm
@@ -38,6 +38,7 @@
 #import "ios/chrome/browser/metrics/ios_chrome_metrics_service_client.h"
 #include "ios/chrome/browser/net/http_server_properties_manager_factory.h"
 #include "ios/chrome/browser/notification_promo.h"
+#include "ios/chrome/browser/physical_web/physical_web_local_state.h"
 #include "ios/chrome/browser/pref_names.h"
 #include "ios/chrome/browser/signin/signin_manager_factory.h"
 #include "ios/chrome/browser/voice/voice_search_prefs_registration.h"
@@ -57,6 +58,7 @@ void RegisterLocalStatePrefs(PrefRegistrySimple* registry) {
   ssl_config::SSLConfigServiceManager::RegisterPrefs(registry);
   update_client::RegisterPrefs(registry);
   variations::VariationsService::RegisterPrefs(registry);
+  physical_web::RegisterPrefs(registry);
 
   // Preferences related to the browser state manager.
   registry->RegisterStringPref(prefs::kBrowserStateLastUsed, std::string());