Mark LayoutText::AbsoluteRectsForRange() and AbsoluteQuadsForRange() as const member function

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

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004-2009, 2013 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.
  *
@@ skipping 84 matching lines @@
 
   InlineTextBox* CreateInlineTextBox(int start, unsigned short length);
   void DirtyOrDeleteLineBoxesIfNeeded(bool full_layout);
   void DirtyLineBoxes();
 
   void AbsoluteRects(Vector<IntRect>&,
                      const LayoutPoint& accumulated_offset) const final;
   void AbsoluteRectsForRange(Vector<IntRect>&,
                              unsigned start_offset = 0,
                              unsigned end_offset = INT_MAX,
-                             bool use_selection_height = false);
+                             bool use_selection_height = false) const;
 
   void AbsoluteQuads(Vector<FloatQuad>&,
                      MapCoordinatesFlags mode = 0) const final;
   void AbsoluteQuadsForRange(Vector<FloatQuad>&,
                              unsigned start_offset = 0,
                              unsigned end_offset = INT_MAX,
-                             bool use_selection_height = false);
+                             bool use_selection_height = false) const;
   FloatRect LocalBoundingBoxRectForAccessibility() const final;
 
   enum ClippingOption { kNoClipping, kClipToEllipsis };
   enum LocalOrAbsoluteOption { kLocalQuads, kAbsoluteQuads };
   void Quads(Vector<FloatQuad>&,
              ClippingOption = kNoClipping,
              LocalOrAbsoluteOption = kAbsoluteQuads,
              MapCoordinatesFlags mode = 0) const;
 
   PositionWithAffinity PositionForPoint(const LayoutPoint&) override;
@@ skipping 237 matching lines @@
 inline LayoutText* Text::GetLayoutObject() const {
   return ToLayoutText(CharacterData::GetLayoutObject());
 }
 
 void ApplyTextTransform(const ComputedStyle*, String&, UChar);
 AtomicString LocaleForLineBreakIterator(const ComputedStyle&);
 
 }  // namespace blink
 
 #endif  // LayoutText_h