Remove the CSSOM.

sky/engine/core/css/MediaList.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2010, 2012 Apple Inc. All rights reserved.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 154 matching lines @@
         else
             first = false;
         text.append(m_queries[i]->cssText());
     }
     return text.toString();
 }
 
 MediaList::MediaList(MediaQuerySet* mediaQueries, CSSStyleSheet* parentSheet)
     : m_mediaQueries(mediaQueries)
     , m_parentStyleSheet(parentSheet)
-    , m_parentRule(nullptr)
 {
 }
 
-MediaList::MediaList(MediaQuerySet* mediaQueries, CSSRule* parentRule)
-    : m_mediaQueries(mediaQueries)
-    , m_parentStyleSheet(nullptr)
-    , m_parentRule(parentRule)
-{
-}
-
 MediaList::~MediaList()
 {
 }
 
-void MediaList::setMediaText(const String& value)
-{
-    CSSStyleSheet::RuleMutationScope mutationScope(m_parentRule);
-
-    m_mediaQueries->set(value);
-
-    if (m_parentStyleSheet)
-        m_parentStyleSheet->didMutate();
-}
-
-String MediaList::item(unsigned index) const
-{
-    const Vector<OwnPtr<MediaQuery> >& queries = m_mediaQueries->queryVector();
-    if (index < queries.size())
-        return queries[index]->cssText();
-    return String();
-}
-
-void MediaList::deleteMedium(const String& medium, ExceptionState& exceptionState)
-{
-    CSSStyleSheet::RuleMutationScope mutationScope(m_parentRule);
-
-    bool success = m_mediaQueries->remove(medium);
-    if (!success) {
-        exceptionState.throwDOMException(NotFoundError, "Failed to delete '" + medium + "'.");
-        return;
-    }
-    if (m_parentStyleSheet)
-        m_parentStyleSheet->didMutate();
-}
-
-void MediaList::appendMedium(const String& medium, ExceptionState& exceptionState)
-{
-    CSSStyleSheet::RuleMutationScope mutationScope(m_parentRule);
-
-    bool success = m_mediaQueries->add(medium);
-    if (!success) {
-        exceptionState.throwDOMException(InvalidCharacterError, "The value provided ('" + medium + "') is not a valid medium.");
-        return;
-    }
-
-    if (m_parentStyleSheet)
-        m_parentStyleSheet->didMutate();
-}
-
-void MediaList::reattach(MediaQuerySet* mediaQueries)
-{
-    ASSERT(mediaQueries);
-    m_mediaQueries = mediaQueries;
-}
-
 static void addResolutionWarningMessageToConsole(Document* document, const String& serializedExpression, CSSPrimitiveValue::UnitType type)
 {
     ASSERT(document);
 
     DEFINE_STATIC_LOCAL(String, mediaQueryMessage, ("Consider using 'dppx' units, as in CSS '%replacementUnits%' means dots-per-CSS-%lengthUnit%, not dots-per-physical-%lengthUnit%, so does not correspond to the actual '%replacementUnits%' of a screen. In media query expression: "));
     DEFINE_STATIC_LOCAL(String, mediaValueDPI, ("dpi"));
     DEFINE_STATIC_LOCAL(String, mediaValueDPCM, ("dpcm"));
     DEFINE_STATIC_LOCAL(String, lengthUnitInch, ("inch"));
     DEFINE_STATIC_LOCAL(String, lengthUnitCentimeter, ("centimeter"));
 
@@ skipping 48 matching lines @@
                 }
             }
         }
     }
 
     if (suspiciousType && !dotsPerPixelUsed)
         addResolutionWarningMessageToConsole(document, mediaQuerySet->mediaText(), suspiciousType);
 }
 
 }