[DO NOT SUBMIT] Support allowpaymentrequest with out-of-process iframes

third_party/WebKit/Source/core/html/HTMLIFrameElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  * Copyright (C) 2004, 2006, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 58 matching lines @@
 
   bool loadedNonEmptyDocument() const override {
     return m_didLoadNonEmptyDocument;
   }
   void didLoadNonEmptyDocument() override { m_didLoadNonEmptyDocument = true; }
   bool isInteractiveContent() const override;
 
   ReferrerPolicy referrerPolicyAttribute() override;
 
   bool allowFullscreen() const override { return m_allowFullscreen; }
+  bool allowPaymentRequest() const override { return m_allowPaymentRequest; }
 
   AtomicString csp() const override { return m_csp; }
 
   const WebVector<WebPermissionType>& delegatedPermissions() const override {
     return m_delegatedPermissions;
   }
 
   bool initializePermissionsAttribute();
 
   AtomicString m_name;
   AtomicString m_csp;
   bool m_didLoadNonEmptyDocument;
   bool m_allowFullscreen;
+  bool m_allowPaymentRequest;
   Member<HTMLIFrameElementSandbox> m_sandbox;
   Member<HTMLIFrameElementPermissions> m_permissions;
 
   WebVector<WebPermissionType> m_delegatedPermissions;
 
   ReferrerPolicy m_referrerPolicy;
 };
 
 }  // namespace blink
 
 #endif  // HTMLIFrameElement_h