Extract helper function.

third_party/WebKit/Source/core/layout/line/InlineTextBox.h

Index: third_party/WebKit/Source/core/layout/line/InlineTextBox.h
diff --git a/third_party/WebKit/Source/core/layout/line/InlineTextBox.h b/third_party/WebKit/Source/core/layout/line/InlineTextBox.h
index 8c0650a7a8618ae6135e7374484fc56d200825c4..e6d122c8d6606cf52a5185797cd3fd1c434cba06 100644
--- a/third_party/WebKit/Source/core/layout/line/InlineTextBox.h
+++ b/third_party/WebKit/Source/core/layout/line/InlineTextBox.h
@@ -135,22 +135,20 @@ class CORE_EXPORT InlineTextBox : public InlineBox {
   bool isSelected(int startPos, int endPos) const;
   void selectionStartEnd(int& sPos, int& ePos) const;
 
-  // These functions both paint markers and update the DocumentMarker's

[Andrey Kraynov, 2016/12/21 17:43:18]

This comment seems outdated at the moment.
paintDocumentMarker* functions have nothing to do with markers rect, and can
take just a |const &| instead of a pointer.

-  // renderedRect.
   virtual void paintDocumentMarker(GraphicsContext&,
                                    const LayoutPoint& boxOrigin,
-                                   DocumentMarker*,
+                                   const DocumentMarker&,
                                    const ComputedStyle&,
                                    const Font&,
                                    bool grammar) const;
   virtual void paintTextMatchMarkerForeground(const PaintInfo&,
                                               const LayoutPoint& boxOrigin,
-                                              DocumentMarker*,
+                                              const DocumentMarker&,
                                               const ComputedStyle&,
                                               const Font&) const;
   virtual void paintTextMatchMarkerBackground(const PaintInfo&,
                                               const LayoutPoint& boxOrigin,
-                                              DocumentMarker*,
+                                              const DocumentMarker&,
                                               const ComputedStyle&,
                                               const Font&) const;