Fix server-side image map click location with "Open link in new tab"

third_party/WebKit/Source/core/html/HTMLAnchorElement.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) 2007, 2008, 2009, 2010 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 43 matching lines @@
     //     RelationSidebar     = 0x00008000,
     //     RelationTag         = 0x00010000,
     //     RelationUp          = 0x00020000,
     RelationNoOpener = 0x00040000,
 };
 
 class CORE_EXPORT HTMLAnchorElement : public HTMLElement, public DOMURLUtils {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<HTMLAnchorElement> create(Document&);
+    static bool getClampedPointFromEvent(IntPoint&, const Event*);
+    static void appendServerMapMousePosition(StringBuilder&, IntPoint& clampedPoint);
 
     ~HTMLAnchorElement() override;
 
     KURL href() const;
     void setHref(const AtomicString&);
 
     const AtomicString& name() const;
 
     KURL url() const final;
     void setURL(const KURL&) final;
@@ skipping 50 matching lines @@
 }
 
 // Functions shared with the other anchor elements (i.e., SVG).
 
 bool isEnterKeyKeydownEvent(Event*);
 bool isLinkClick(Event*);
 
 } // namespace blink
 
 #endif // HTMLAnchorElement_h