Support to remove passwords by date_synced timestamp.

components/password_manager/core/browser/password_store.cc

Index: components/password_manager/core/browser/password_store.cc
diff --git a/components/password_manager/core/browser/password_store.cc b/components/password_manager/core/browser/password_store.cc
index 0dd5684d6cb68bad96506eb2f8738ea21ae44c9a..7ceebaa6a8fbd804fd2cf8919f0c859cfa305d6a 100644
--- a/components/password_manager/core/browser/password_store.cc
+++ b/components/password_manager/core/browser/password_store.cc
@@ -112,6 +112,14 @@ void PasswordStore::RemoveLoginsCreatedBetween(const base::Time& delete_begin,
                             this, delete_begin, delete_end)));
 }
 
+void PasswordStore::RemoveLoginsSyncedBetween(const base::Time& delete_begin,
+                                              const base::Time& delete_end) {
+  ScheduleTask(
+      base::Bind(&PasswordStore::WrapModificationTask, this,
+                 base::Bind(&PasswordStore::RemoveLoginsSyncedBetweenImpl,
+                            this, delete_begin, delete_end)));
+}
+
 void PasswordStore::GetLogins(
     const PasswordForm& form,
     AuthorizationPromptPolicy prompt_policy,