Support to remove passwords by date_synced timestamp.

components/password_manager/core/browser/test_password_store.cc

Index: components/password_manager/core/browser/test_password_store.cc
diff --git a/components/password_manager/core/browser/test_password_store.cc b/components/password_manager/core/browser/test_password_store.cc
index 555eb701dfbc27aa547067fe9498c39f06222538..46dde70ff3d21d9a96cf0a04393f158f95c29c37 100644
--- a/components/password_manager/core/browser/test_password_store.cc
+++ b/components/password_manager/core/browser/test_password_store.cc
@@ -111,6 +111,12 @@ PasswordStoreChangeList TestPasswordStore::RemoveLoginsCreatedBetweenImpl(
   return changes;
 }
 
+PasswordStoreChangeList TestPasswordStore::RemoveLoginsSyncedBetweenImpl(
+    const base::Time& begin, const base::Time& end) {
+  PasswordStoreChangeList changes;
+  return changes;
+}
+
 bool TestPasswordStore::FillAutofillableLogins(
     std::vector<autofill::PasswordForm*>* forms) {
   return true;