[Password Manager] Switch password manager code to use the Feature framework.

components/password_manager/core/common/password_manager_features.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_PASSWORD_MANAGER_CORE_COMMON_PASSWORD_MANAGER_FEATURES_H_
 #define COMPONENTS_PASSWORD_MANAGER_CORE_COMMON_PASSWORD_MANAGER_FEATURES_H_
 
 // This file defines all the base::FeatureList features for the Password Manager
 // module.
 
 #include "base/feature_list.h"
 
 namespace password_manager {
 
 namespace features {
 
 // All features in alphabetical order. The features should be documented
 // alongside the definition of their values in the .cc file.
 
+extern const base::Feature kAffiliationBasedMatching;
+extern const base::Feature kDropSyncCredential;
 extern const base::Feature kEnableAutomaticPasswordSaving;
 extern const base::Feature kEnableManualPasswordGeneration;
 extern const base::Feature kEnablePasswordChangeSupport;
 extern const base::Feature kEnablePasswordForceSaving;
+extern const base::Feature kProtectSyncCredential;
+extern const base::Feature kProtectSyncCredentialOnReauth;
 
 }  // namespace features
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_COMMON_PASSWORD_MANAGER_FEATURES_H_