Templatize PositionWithAffinity class

Source/core/layout/HitTestResult.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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 HitTestResult_h
 #define HitTestResult_h
 
 #include "core/CoreExport.h"
+#include "core/editing/PositionWithAffinity.h"
 #include "core/layout/HitTestLocation.h"
 #include "core/layout/HitTestRequest.h"
 #include "platform/geometry/FloatQuad.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/LayoutRect.h"
 #include "platform/heap/Handle.h"
 #include "platform/text/TextDirection.h"
 #include "wtf/Forward.h"
 #include "wtf/ListHashSet.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/VectorTraits.h"
 
 namespace blink {
 
 class Element;
 class LocalFrame;
 class HTMLAreaElement;
 class HTMLMediaElement;
 class Image;
 class KURL;
 class Node;
 class LayoutObject;
-class PositionWithAffinity;
 class Scrollbar;
 
 class CORE_EXPORT HitTestResult {
     ALLOW_ONLY_INLINE_ALLOCATION();
 
 public:
     typedef WillBeHeapListHashSet<RefPtrWillBeMember<Node>> NodeSet;
 
     HitTestResult();
     HitTestResult(const HitTestRequest&, const LayoutPoint&);
@@ skipping 119 matching lines @@
 // in the wider sense of what canInitializeWithMemset provides, so fix this
 // by introducing a trait that encompasses "unused slot" handling and use it
 // here instead.
 //
 // Until that time, make this trait specialization conditional on OILPAN to
 // limit exposure.
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::HitTestResult);
 #endif
 
 #endif // HitTestResult_h