Migrate Cryptauth*Managers RegisterPrefs to CryptAuthService::RegisterProfilePrefs.

chromeos/components/tether/initializer.h

Index: chromeos/components/tether/initializer.h
diff --git a/chromeos/components/tether/initializer.h b/chromeos/components/tether/initializer.h
index 01fe741039a3bb8e77b127424b93cd4c9628c65a..abb4e919600856ca3829727a8c876e84ed486b03 100644
--- a/chromeos/components/tether/initializer.h
+++ b/chromeos/components/tether/initializer.h
@@ -11,6 +11,7 @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
+#include "components/prefs/pref_registry_simple.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_advertisement.h"
@@ -57,6 +58,8 @@ class Initializer : public OAuth2TokenService::Observer {
   // be called before the dependencies passed to Init() are destroyed.
   static void Shutdown();
 
+  static void RegisterProfilePrefs(PrefRegistrySimple* registry);
+
  private:
   friend class InitializerTest;