Migrate Cryptauth*Managers RegisterPrefs to CryptAuthService::RegisterProfilePrefs.

components/cryptauth/cryptauth_service.h

Index: components/cryptauth/cryptauth_service.h
diff --git a/components/cryptauth/cryptauth_service.h b/components/cryptauth/cryptauth_service.h
index 044d166af8d42f584bb099c315dddaa288277bf9..ebfc41549db65314e6a529f225e629035e2a55b8 100644
--- a/components/cryptauth/cryptauth_service.h
+++ b/components/cryptauth/cryptauth_service.h
@@ -9,6 +9,7 @@
 
 #include "base/macros.h"
 #include "components/cryptauth/proto/cryptauth_api.pb.h"
+#include "components/prefs/pref_registry_simple.h"
 
 namespace cryptauth {
 
@@ -20,6 +21,8 @@ class SecureMessageDelegate;
 // Service which provides access to various CryptAuth singletons.
 class CryptAuthService {
  public:
+  static void RegisterProfilePrefs(PrefRegistrySimple* registry);
+
   virtual CryptAuthDeviceManager* GetCryptAuthDeviceManager() = 0;
   virtual CryptAuthEnrollmentManager* GetCryptAuthEnrollmentManager() = 0;
   virtual DeviceClassifier GetDeviceClassifier() = 0;