Remove @media rules.

sky/engine/core/dom/StyleEngine.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 175 matching lines @@
     ASSERT(isHTMLStyleElement(node) || treeScope == m_document);
 
     TreeScopeStyleSheetCollection* collection = styleSheetCollectionFor(treeScope);
     ASSERT(collection);
     collection->removeStyleSheetCandidateNode(node, scopingNode);
 
     markTreeScopeDirty(treeScope);
     m_activeTreeScopes.remove(&treeScope);
 }
 
-void StyleEngine::clearMediaQueryRuleSetOnTreeScopeStyleSheets(TreeScopeSet treeScopes)
-{
-    for (TreeScopeSet::iterator it = treeScopes.begin(); it != treeScopes.end(); ++it) {
-        TreeScope& treeScope = **it;
-        ASSERT(treeScope != m_document);
-        ShadowTreeStyleSheetCollection* collection = static_cast<ShadowTreeStyleSheetCollection*>(styleSheetCollectionFor(treeScope));
-        ASSERT(collection);
-        collection->clearMediaQueryRuleSetStyleSheets();
-    }
-}
-
-void StyleEngine::clearMediaQueryRuleSetStyleSheets()
-{
-    documentStyleSheetCollection()->clearMediaQueryRuleSetStyleSheets();
-    clearMediaQueryRuleSetOnTreeScopeStyleSheets(m_activeTreeScopes);
-    clearMediaQueryRuleSetOnTreeScopeStyleSheets(m_dirtyTreeScopes);
-}
-
 void StyleEngine::updateActiveStyleSheets()
 {
     ASSERT(isMaster());
     ASSERT(!document().inStyleRecalc());
 
     if (!document().isActive())
         return;
 
     documentStyleSheetCollection()->updateActiveStyleSheets(this);
 
@@ skipping 191 matching lines @@
 {
     if (!document().isActive())
         return;
 
     if (m_resolver)
         m_resolver->invalidateMatchedPropertiesCache();
     document().setNeedsStyleRecalc(SubtreeStyleChange);
 }
 
 }