Fixed an assert related to MediaQuerytokenizer code points table

Source/core/css/parser/MediaQueryTokenizer.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/css/parser/MediaQueryTokenizer.h"
 
 #include "core/css/parser/MediaQueryInputStream.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "wtf/unicode/CharacterNames.h"
 
 namespace WebCore {
 
-const unsigned codePointsNumber = SCHAR_MAX;
+const unsigned codePointsNumber = SCHAR_MAX + 1;
 
 class MediaQueryTokenizer::CodePoints {
 public:
     MediaQueryTokenizer::CodePoint codePoints[codePointsNumber];
 
     // FIXME: Move the codePoint array to be a static one, generated by build scripts
     CodePoints()
     {
         memset(codePoints, 0, codePointsNumber);
         codePoints['\n'] = &MediaQueryTokenizer::whiteSpace;
@@ skipping 397 matching lines @@
     if (firstChar == '-') {
         if (isNameStart(m_input.peek(1)))
             return true;
         return nextTwoCharsAreValidEscape();
     }
 
     return false;
 }
 
 } // namespace WebCore