Replace DCHECK with DCHECK_op and split some DCHECKs wherever necessary

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 1101 matching lines @@
                                                   true, false)
               .toFloat());
       m_appliedStartWidth = true;
     }
 
     midWordBreak = false;
     if (!m_width.fitsOnLine()) {
       if (hyphenation && (m_nextObject || isLineEmpty ||
                           hasVisibleText(layoutText, m_current.offset()))) {
         m_width.addUncommittedWidth(-wordMeasurement.width);
-        DCHECK(lastSpace == static_cast<unsigned>(wordMeasurement.startOffset));
-        DCHECK(m_current.offset() ==
-               static_cast<unsigned>(wordMeasurement.endOffset));
+        DCHECK_EQ(lastSpace,
+                  static_cast<unsigned>(wordMeasurement.startOffset));
+        DCHECK_EQ(m_current.offset(),
+                  static_cast<unsigned>(wordMeasurement.endOffset));
         if (hyphenate(layoutText, style, font, *hyphenation,
                       lastSpaceWordSpacing, wordMeasurement)) {
           m_width.addUncommittedWidth(wordMeasurement.width);
           hyphenated = true;
           m_atEnd = true;
           return false;
         }
         m_width.addUncommittedWidth(wordMeasurement.width);
       }
       if (canBreakMidWord) {
@@ skipping 416 matching lines @@
 
   if (style.getTextIndentType() == TextIndentHanging)
     indentText = indentText == IndentText ? DoNotIndentText : IndentText;
 
   return indentText;
 }
 
 }  // namespace blink
 
 #endif  // BreakingContextInlineHeaders_h