Record the initial state of the Physical Web at startup

ios/chrome/browser/physical_web/create_physical_web_data_source.h

Index: ios/chrome/browser/physical_web/create_physical_web_data_source.h
diff --git a/ios/chrome/browser/physical_web/create_physical_web_data_source.h b/ios/chrome/browser/physical_web/create_physical_web_data_source.h
index 7ecddef6b8e7e6d1bab200b48ed66b56300b25a0..46469598075f977b562760b79aba2f693961a752 100644
--- a/ios/chrome/browser/physical_web/create_physical_web_data_source.h
+++ b/ios/chrome/browser/physical_web/create_physical_web_data_source.h
@@ -10,10 +10,11 @@
 namespace physical_web {
 class PhysicalWebDataSource;
 }
+class PrefService;
 
 // Creates a new instance of IOSChromePhysicalWebDataSource. The returned object
 // is fully initialized and can be registered as global singleton.
 std::unique_ptr<physical_web::PhysicalWebDataSource>
-CreateIOSChromePhysicalWebDataSource();
+CreateIOSChromePhysicalWebDataSource(PrefService* prefService);
 
 #endif  // IOS_CHROME_BROWSER_PHYSICAL_WEB_CREATE_PHYSICAL_WEB_DATA_SOURCE_H_