Modify StartPhysicalWebDiscovery to take an ios::ChromeBrowserState param

ios/chrome/browser/physical_web/start_physical_web_discovery.mm

Index: ios/chrome/browser/physical_web/start_physical_web_discovery.mm
diff --git a/ios/chrome/browser/physical_web/start_physical_web_discovery.mm b/ios/chrome/browser/physical_web/start_physical_web_discovery.mm
index d6f37f0c99b770be74f884cefdff69355b3dd5f8..e1b9502f4d8cc56e01ed7dbdf06d8108e2fde45f 100644
--- a/ios/chrome/browser/physical_web/start_physical_web_discovery.mm
+++ b/ios/chrome/browser/physical_web/start_physical_web_discovery.mm
@@ -8,6 +8,7 @@
 
 #include "components/physical_web/data_source/physical_web_data_source.h"
 #include "ios/chrome/browser/application_context.h"
+#include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #import "ios/chrome/browser/experimental_flags.h"
 #import "ios/chrome/browser/geolocation/omnibox_geolocation_config.h"
 #include "ios/chrome/browser/physical_web/physical_web_constants.h"
@@ -58,3 +59,8 @@ void StartPhysicalWebDiscovery(PrefService* pref_service, bool is_incognito) {
     GetApplicationContext()->GetPhysicalWebDataSource()->StopDiscovery();
   }
 }
+
+void StartPhysicalWebDiscovery(PrefService* pref_service,
+                               ios::ChromeBrowserState* browser_state) {
+  StartPhysicalWebDiscovery(pref_service, browser_state->IsOffTheRecord());
+}