CSS Parser: Implement selector parsing [1/3]

Source/core/css/parser/CSSParserTokenRange.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/CSSParserTokenRange.h"
 
 #include "wtf/StaticConstructors.h"
 
 namespace blink {
@@ skipping 25 matching lines @@
         if (token.blockType() == CSSParserToken::BlockStart)
             nestingLevel++;
         else if (token.blockType() == CSSParserToken::BlockEnd)
             nestingLevel--;
     } while (nestingLevel && m_first < m_last);
 }
 
 void CSSParserTokenRange::consumeWhitespaceAndComments()
 {
     while (peek().type() == WhitespaceToken || peek().type() == CommentToken)
-        consume();
+        ++m_first;
 }
 
 } // namespace blink