Add an iframe permissions= attribute for implementing permission delegation

third_party/WebKit/Source/core/html/HTMLFrameElementBase.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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef HTMLFrameElementBase_h
 #define HTMLFrameElementBase_h
 
+#include "core/CoreExport.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 
 namespace blink {
 
-class HTMLFrameElementBase : public HTMLFrameOwnerElement {
+class CORE_EXPORT HTMLFrameElementBase : public HTMLFrameOwnerElement {
 public:
     bool canContainRangeEndPoint() const final { return false; }
 
     // FrameOwner overrides:
     ScrollbarMode scrollingMode() const override { return m_scrollingMode; }
     int marginWidth() const override { return m_marginWidth; }
     int marginHeight() const override { return m_marginHeight; }
 
 protected:
     HTMLFrameElementBase(const QualifiedName&, Document&);
@@ skipping 40 matching lines @@
 inline bool isHTMLFrameElementBase(const HTMLElement& element)
 {
     return isHTMLFrameElement(element) || isHTMLIFrameElement(element);
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLFrameElementBase);
 
 } // namespace blink
 
 #endif // HTMLFrameElementBase_h