Use Smart Lock preference instead of Chrome Password manager preference.

chrome/browser/android/preferences/pref_service_bridge.cc

Index: chrome/browser/android/preferences/pref_service_bridge.cc
diff --git a/chrome/browser/android/preferences/pref_service_bridge.cc b/chrome/browser/android/preferences/pref_service_bridge.cc
index 5c448a7fe24ba611d000bc45528fc399ff68c31e..ac2196c4647957e79f2d059db1c1dae90e294408 100644
--- a/chrome/browser/android/preferences/pref_service_bridge.cc
+++ b/chrome/browser/android/preferences/pref_service_bridge.cc
@@ -240,7 +240,7 @@ static jboolean GetBlockThirdPartyCookiesManaged(
 static jboolean GetRememberPasswordsEnabled(JNIEnv* env,
                                             const JavaParamRef<jobject>& obj) {
   return GetPrefService()->GetBoolean(
-      password_manager::prefs::kPasswordManagerSavingEnabled);
+      password_manager::prefs::kCredentialsEnableService);
 }
 
 static jboolean GetPasswordManagerAutoSigninEnabled(
@@ -253,7 +253,7 @@ static jboolean GetPasswordManagerAutoSigninEnabled(
 static jboolean GetRememberPasswordsManaged(JNIEnv* env,
                                             const JavaParamRef<jobject>& obj) {
   return GetPrefService()->IsManagedPreference(
-      password_manager::prefs::kPasswordManagerSavingEnabled);
+      password_manager::prefs::kCredentialsEnableService);
 }
 
 static jboolean GetPasswordManagerAutoSigninManaged(
@@ -825,7 +825,7 @@ static void SetRememberPasswordsEnabled(JNIEnv* env,
                                         const JavaParamRef<jobject>& obj,
                                         jboolean allow) {
   GetPrefService()->SetBoolean(
-      password_manager::prefs::kPasswordManagerSavingEnabled, allow);
+      password_manager::prefs::kCredentialsEnableService, allow);
 }
 
 static void SetPasswordManagerAutoSigninEnabled(