Use Smart Lock preference instead of Chrome Password manager preference.

chrome/browser/policy/configuration_policy_handler_list_factory.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/policy/configuration_policy_handler_list_factory.h"
 
 #include <limits.h>
 #include <stddef.h>
 
 #include <utility>
@@ skipping 121 matching lines @@
   { key::kSafeBrowsingEnabled,
     prefs::kSafeBrowsingEnabled,
     base::Value::Type::BOOLEAN },
   { key::kForceGoogleSafeSearch,
     prefs::kForceGoogleSafeSearch,
     base::Value::Type::BOOLEAN },
   { key::kForceYouTubeRestrict,
     prefs::kForceYouTubeRestrict,
     base::Value::Type::INTEGER},
   { key::kPasswordManagerEnabled,
-    password_manager::prefs::kPasswordManagerSavingEnabled,
+    password_manager::prefs::kCredentialsEnableService,
     base::Value::Type::BOOLEAN },
   { key::kPrintingEnabled,
     prefs::kPrintingEnabled,
     base::Value::Type::BOOLEAN },
   { key::kDisablePrintPreview,
     prefs::kPrintPreviewDisabled,
     base::Value::Type::BOOLEAN },
   { key::kDefaultPrinterSelection,
     prefs::kPrintPreviewDefaultDestinationSelectionRules,
     base::Value::Type::STRING },
@@ skipping 847 matching lines @@
 #endif  // defined(OS_CHROMEOS)
 
 #if BUILDFLAG(ENABLE_PLUGINS)
   handlers->AddHandler(base::MakeUnique<PluginPolicyHandler>());
 #endif  // BUILDFLAG(ENABLE_PLUGINS)
 
   return handlers;
 }
 
 }  // namespace policy