Remove ASSERT_UNUSED

third_party/WebKit/Source/wtf/text/WTFString.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010, 2012 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  *
  * 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 611 matching lines @@
 
   char* buffer = bufferVector.data();
 
   if (is8Bit()) {
     const LChar* characters = this->characters8();
 
     ConversionResult result =
         convertLatin1ToUTF8(&characters, characters + length, &buffer,
                             buffer + bufferVector.size());
     // (length * 3) should be sufficient for any conversion
-    ASSERT_UNUSED(result, result != targetExhausted);
+    DCHECK_NE(result, targetExhausted);
   } else {
     const UChar* characters = this->characters16();
 
     if (mode == StrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD) {
       const UChar* charactersEnd = characters + length;
       char* bufferEnd = buffer + bufferVector.size();
       while (characters < charactersEnd) {
         // Use strict conversion to detect unpaired surrogates.
         ConversionResult result = convertUTF16ToUTF8(&characters, charactersEnd,
                                                      &buffer, bufferEnd, true);
@@ skipping 201 matching lines @@
   }
   buffer.append('\0');
   return buffer;
 }
 
 Vector<char> asciiDebug(String& string) {
   return asciiDebug(string.impl());
 }
 
 #endif