Introduce positionForPoint() in LocalFrame class as replacement of visiblePositionForPoint()

Source/core/frame/LocalFrame.h

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999-2001 Lars Knoll <knoll@kde.org>
  *                     1999-2001 Antti Koivisto <koivisto@kde.org>
  *                     2000-2001 Simon Hausmann <hausmann@kde.org>
  *                     2000-2001 Dirk Mueller <mueller@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
@@ skipping 54 matching lines @@
 class InstrumentingAgents;
 class LocalDOMWindow;
 class Node;
 class NodeTraversal;
 class Range;
 class LayoutView;
 class TreeScope;
 class ScriptController;
 class SpellChecker;
 class TreeScope;
-class VisiblePosition;
+template <typename Strategy> class PositionWithAffinityTemplate;
 
 class CORE_EXPORT LocalFrame : public Frame, public LocalFrameLifecycleNotifier, public WillBeHeapSupplementable<LocalFrame> {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(LocalFrame);
 public:
     static PassRefPtrWillBeRawPtr<LocalFrame> create(FrameLoaderClient*, FrameHost*, FrameOwner*);
 
     void init();
     void setView(PassRefPtrWillBeRawPtr<FrameView>);
     void createView(const IntSize&, const Color&, bool,
         ScrollbarMode = ScrollbarAuto, bool horizontalLock = false,
@@ skipping 66 matching lines @@
 
     void deviceScaleFactorChanged();
     double devicePixelRatio() const;
 
     PassOwnPtr<DragImage> nodeImage(Node&);
     PassOwnPtr<DragImage> dragImageForSelection(float opacity);
 
     String selectedText() const;
     String selectedTextForClipboard() const;
 
-    VisiblePosition visiblePositionForPoint(const IntPoint& framePoint);
+    PositionWithAffinityTemplate<EditingAlgorithm<NodeTraversal>> positionForPoint(const IntPoint& framePoint);
     Document* documentAtPoint(const IntPoint& windowPoint);
     EphemeralRangeTemplate<EditingAlgorithm<NodeTraversal>> rangeForPoint(const IntPoint& framePoint);
 
     bool isURLAllowed(const KURL&) const;
     bool shouldReuseDefaultView(const KURL&) const;
     void removeSpellingMarkersUnderWords(const Vector<String>& words);
 
     // FIXME: once scroll customization is enabled everywhere
     // (crbug.com/416862), this should take a ScrollState object.
     ScrollResult applyScrollDelta(const FloatSize& delta, bool isScrollBegin);
@@ skipping 140 matching lines @@
 DECLARE_WEAK_IDENTIFIER_MAP(LocalFrame);
 
 } // namespace blink
 
 // During refactoring, there are some places where we need to do type conversions that
 // will not be needed once all instances of LocalFrame and RemoteFrame are sorted out.
 // At that time this #define will be removed and all the uses of it will need to be corrected.
 #define toLocalFrameTemporary toLocalFrame
 
 #endif // LocalFrame_h