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 76a98a972f601fb8fdc4d0d8154a543dacac24c6..b1d55be3a5ce8d26965ccfec9cb474df6a1c8d39 100644
--- a/chromeos/components/tether/initializer.h
+++ b/chromeos/components/tether/initializer.h
@@ -6,6 +6,7 @@
 #define CHROMEOS_COMPONENTS_TETHER_INITIALIZER_H_
 
 #include "base/macros.h"
+#include "components/prefs/pref_registry_simple.h"
 
 namespace cryptauth {
 class CryptAuthService;
@@ -21,6 +22,8 @@ class Initializer {
  public:
   static void Initialize(cryptauth::CryptAuthService* cryptauth_service);
 
+  static void RegisterProfilePrefs(PrefRegistrySimple* registry);
+
  private:
   static Initializer* instance_;