Different fonts selected for width calculation and actual painting

Source/core/rendering/InlineTextBox.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 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 259 matching lines @@
         foundBox = true;
         return -1;
     }
 
     bool ltrEllipsisWithinBox = flowIsLTR && (ellipsisX < logicalRight());
     bool rtlEllipsisWithinBox = !flowIsLTR && (ellipsisX > logicalLeft());
     if (ltrEllipsisWithinBox || rtlEllipsisWithinBox) {
         foundBox = true;
 
         // The inline box may have different directionality than it's parent.  Since truncation
-        // behavior depends both on both the parent and the inline block's directionality, we
+        // behavior depends both on the parent and the inline block's directionality, we
         // must keep track of these separately.
         bool ltr = isLeftToRightDirection();
         if (ltr != flowIsLTR) {
             // Width in pixels of the visible portion of the box, excluding the ellipsis.
             int visibleBoxWidth = visibleRightEdge - visibleLeftEdge  - ellipsisWidth;
             ellipsisX = ltr ? logicalLeft() + visibleBoxWidth : logicalRight() - visibleBoxWidth;
         }
 
         int offset = offsetForPosition(ellipsisX, false);
         if (offset == 0) {
@@ skipping 270 matching lines @@
     printedCharacters = fprintf(stderr, "\t%s %p", obj.renderName(), &obj);
     const int rendererCharacterOffset = 24;
     for (; printedCharacters < rendererCharacterOffset; printedCharacters++)
         fputc(' ', stderr);
     fprintf(stderr, "(%d,%d) \"%s\"\n", start(), start() + len(), value.utf8().data());
 }
 
 #endif
 
 } // namespace blink