Remove source line tracking from MediaList and related DevTools code

Source/core/css/CSSParser.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 11380 matching lines @@
 {
     if (m_styleSheet && !m_hadSyntacticallyValidCSSRule)
         m_styleSheet->setHasSyntacticallyValidCSSHeader(false);
 }
 
 void CSSParser::updateLastSelectorLineAndPosition()
 {
     m_lastSelectorLineNumber = m_lineNumber;
 }
 
-void CSSParser::updateLastMediaLine(MediaQuerySet* media)
-{
-    media->setLastLine(m_lineNumber);
-}
-
 void CSSParser::startRuleHeader(CSSRuleSourceData::Type ruleType)
 {
     resumeErrorLogging();
     m_ruleHeaderType = ruleType;
     m_ruleHeaderStartOffset = safeUserStringTokenOffset();
     m_ruleHeaderStartLineNumber = m_tokenStartLineNumber;
     if (m_sourceDataHandler)
         m_sourceDataHandler->startRuleHeader(ruleType, m_ruleHeaderStartOffset);
 }
 
@@ skipping 392 matching lines @@
 {
     // The tokenizer checks for the construct of an+b.
     // However, since the {ident} rule precedes the {nth} rule, some of those
     // tokens are identified as string literal. Furthermore we need to accept
     // "odd" and "even" which does not match to an+b.
     return equalIgnoringCase(token, "odd") || equalIgnoringCase(token, "even")
         || equalIgnoringCase(token, "n") || equalIgnoringCase(token, "-n");
 }
 
 }