Extract helper function.

third_party/WebKit/Source/core/layout/svg/line/SVGInlineTextBox.h

 /*
  * Copyright (C) 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. 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 61 matching lines @@
                                   bool includePartialGlyphs) const;
   FloatRect selectionRectForTextFragment(const SVGTextFragment&,
                                          int fragmentStartPosition,
                                          int fragmentEndPosition,
                                          const ComputedStyle&) const;
   TextRun constructTextRun(const ComputedStyle&, const SVGTextFragment&) const;
 
  private:
   void paintDocumentMarker(GraphicsContext&,
                            const LayoutPoint&,
-                           DocumentMarker*,
+                           const DocumentMarker&,
                            const ComputedStyle&,
                            const Font&,
                            bool) const final;
   void paintTextMatchMarkerForeground(const PaintInfo&,
                                       const LayoutPoint&,
-                                      DocumentMarker*,
+                                      const DocumentMarker&,
                                       const ComputedStyle&,
                                       const Font&) const final;
   void paintTextMatchMarkerBackground(const PaintInfo&,
                                       const LayoutPoint&,
-                                      DocumentMarker*,
+                                      const DocumentMarker&,
                                       const ComputedStyle&,
                                       const Font&) const final;
 
   bool nodeAtPoint(HitTestResult&,
                    const HitTestLocation& locationInContainer,
                    const LayoutPoint& accumulatedOffset,
                    LayoutUnit lineTop,
                    LayoutUnit lineBottom) override;
 
   LayoutUnit m_logicalHeight;
   bool m_startsNewTextChunk : 1;
   Vector<SVGTextFragment> m_textFragments;
 };
 
 DEFINE_INLINE_BOX_TYPE_CASTS(SVGInlineTextBox);
 
 }  // namespace blink
 
 #endif  // SVGInlineTextBox_h