Componentize FakeSigninManager and SigninManager prefs

chrome/browser/signin/signin_manager_factory.cc

Index: chrome/browser/signin/signin_manager_factory.cc
diff --git a/chrome/browser/signin/signin_manager_factory.cc b/chrome/browser/signin/signin_manager_factory.cc
index 9b5406fefd9c712e359a081405dd66f693c7a47b..00e9a9bc6aec098353fd80c3bb18166c9af59d5e 100644
--- a/chrome/browser/signin/signin_manager_factory.cc
+++ b/chrome/browser/signin/signin_manager_factory.cc
@@ -12,9 +12,7 @@
 #include "chrome/browser/signin/gaia_cookie_manager_service_factory.h"
 #include "chrome/browser/signin/local_auth.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
-#include "chrome/common/pref_names.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
-#include "components/pref_registry/pref_registry_syncable.h"
 #include "components/signin/core/browser/signin_manager.h"
 
 SigninManagerFactory::SigninManagerFactory()
@@ -81,35 +79,13 @@ SigninManagerFactory* SigninManagerFactory::GetInstance() {
 
 void SigninManagerFactory::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
-  registry->RegisterStringPref(prefs::kGoogleServicesHostedDomain,
-                               std::string());
-  registry->RegisterStringPref(prefs::kGoogleServicesLastUsername,
-                               std::string());
-  registry->RegisterInt64Pref(
-      prefs::kGoogleServicesRefreshTokenAnnotateScheduledTime,
-      base::Time().ToInternalValue());
-  registry->RegisterStringPref(prefs::kGoogleServicesSigninScopedDeviceId,
-                               std::string());
-  registry->RegisterStringPref(prefs::kGoogleServicesAccountId, std::string());
-  registry->RegisterStringPref(prefs::kGoogleServicesUserAccountId,
-                               std::string());
-  registry->RegisterBooleanPref(prefs::kAutologinEnabled, true);
-  registry->RegisterBooleanPref(prefs::kReverseAutologinEnabled, true);
-  registry->RegisterListPref(prefs::kReverseAutologinRejectedEmailList,
-                             new base::ListValue);
-  registry->RegisterInt64Pref(prefs::kSignedInTime,
-                              base::Time().ToInternalValue());
-
+  SigninManagerBase::RegisterProfilePrefs(registry);
   LocalAuth::RegisterLocalAuthPrefs(registry);
-
-  // Deprecated prefs: will be removed in a future release.
-  registry->RegisterStringPref(prefs::kGoogleServicesUsername, std::string());
 }
 
 // static
 void SigninManagerFactory::RegisterPrefs(PrefRegistrySimple* registry) {
-  registry->RegisterStringPref(prefs::kGoogleServicesUsernamePattern,
-                               std::string());
+  SigninManagerBase::RegisterPrefs(registry);
 }
 
 void SigninManagerFactory::AddObserver(Observer* observer) {