Remove DCHECK in BreakingContextInlineHeader that wasn't much useful

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

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  *               All right reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated.
  *
  * 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
@@ skipping 801 matching lines @@
                                      wordMeasurement);
 
   int end = start + len;
   if (breakAll) {
     end = lastBreakablePositionForBreakAll(text, style, start, end);
     if (!end)
       return false;
     len = end - start;
   }
   FloatRect rect = font.selectionRectForText(run, FloatPoint(), 0, 0, len);
-  DCHECK(m_width.fitsOnLine(rect.width() -
-                            1));  // avoid failure when rect is rounded up.
   return rewindToMidWordBreak(wordMeasurement, end, rect.width());
 }
 
 ALWAYS_INLINE bool BreakingContext::hyphenate(
     LineLayoutText text,
     const ComputedStyle& style,
     const Font& font,
     const Hyphenation& hyphenation,
     float lastSpaceWordSpacing,
     WordMeasurement& wordMeasurement) {
@@ skipping 663 matching lines @@
 
   if (style.getTextIndentType() == TextIndentHanging)
     indentText = indentText == IndentText ? DoNotIndentText : IndentText;
 
   return indentText;
 }
 
 }  // namespace blink
 
 #endif  // BreakingContextInlineHeaders_h