Remove old permission delegation prototype

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

 /*
  * Copyright (C) 2006, 2007, 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 73 matching lines @@
   void renderFallbackContent() override {}
   AtomicString browsingContextContainerName() const override {
     return getAttribute(HTMLNames::nameAttr);
   }
   ScrollbarMode scrollingMode() const override { return ScrollbarAuto; }
   int marginWidth() const override { return -1; }
   int marginHeight() const override { return -1; }
   bool allowFullscreen() const override { return false; }
   bool allowPaymentRequest() const override { return false; }
   AtomicString csp() const override { return nullAtom; }
-  const WebVector<mojom::blink::PermissionName>& delegatedPermissions()
-      const override;
   const WebVector<WebFeaturePolicyFeature>& allowedFeatures() const override;
 
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   HTMLFrameOwnerElement(const QualifiedName& tagName, Document&);
   void setSandboxFlags(SandboxFlags);
 
   bool loadOrRedirectSubframe(const KURL&,
                               const AtomicString& frameName,
@@ skipping 61 matching lines @@
 
 DEFINE_TYPE_CASTS(HTMLFrameOwnerElement,
                   FrameOwner,
                   owner,
                   owner->isLocal(),
                   owner.isLocal());
 
 }  // namespace blink
 
 #endif  // HTMLFrameOwnerElement_h