Fix invalid selection produced when dragging mouse outside the SVG text element

third_party/WebKit/Source/core/layout/LayoutReplaced.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 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,
@@ skipping 86 matching lines @@
 
     // This callback is invoked whenever the intrinsic size changed.
     //
     // The intrinsic size can change due to the network (from the default
     // intrinsic size [see above] to the actual intrinsic size) or to some
     // CSS properties like 'zoom' or 'image-orientation'.
     virtual void intrinsicSizeChanged();
 
     virtual LayoutBox* embeddedContentBox() const { return nullptr; }
 
+    PositionWithAffinity positionForPoint(const LayoutPoint&) override;
+
 private:
     void computePreferredLogicalWidths() final;
 
-    PositionWithAffinity positionForPoint(const LayoutPoint&) final;
-
     bool canBeSelectionLeaf() const override { return true; }
 
     LayoutRect selectionRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer) const final;
     void computeIntrinsicSizingInfoForLayoutBox(LayoutBox*, IntrinsicSizingInfo&) const;
     FloatSize constrainIntrinsicSizeToMinMax(const IntrinsicSizingInfo&) const;
 
     mutable LayoutSize m_intrinsicSize;
 };
 
 } // namespace blink
 
 #endif