[Payments] Set cached manifest expiration date

components/payments/android/payment_method_manifest_table.h

Index: components/payments/android/payment_method_manifest_table.h
diff --git a/components/payments/android/payment_method_manifest_table.h b/components/payments/android/payment_method_manifest_table.h
index 0e1f5ef9c884e4fd19400c262d24fa2a525ab052..3655f5e3e282390671f0dba5e1984f3d620fcfa5 100644
--- a/components/payments/android/payment_method_manifest_table.h
+++ b/components/payments/android/payment_method_manifest_table.h
@@ -20,6 +20,9 @@ namespace payments {
 //                         supported web app in this payment method manifest.
 //                         Note that a payment method manifest might contain
 //                         multiple supported web apps ids.
+//
+//  expire_date            The expire date in seconds from 1601-01-01 00:00:00
+//                         UTC.
 //  method_name            The method name.
 //  web_app_id             The supported web app id.
 //                         (WebAppManifestSection.id).
@@ -38,6 +41,9 @@ class PaymentMethodManifestTable : public WebDatabaseTable {
   bool IsSyncable() override;
   bool MigrateToVersion(int version, bool* update_compatible_version) override;
 
+  // Remove expired data.
+  void RemoveExpiredData();
+
   // Adds |payment_method|'s manifest. |web_app_ids| contains supported web apps
   // ids.
   bool AddManifest(const std::string& payment_method,