Fix crash when removing stylesheets from shadow tree.

Source/core/dom/TreeScopeStyleSheetCollection.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, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 140 matching lines @@
 
     // No point in doing the analysis work if we're just going to recalc the whole document anyways.
     // This needs to be done after the compareStyleSheets calls above to ensure we don't throw away
     // the StyleResolver if we don't need to.
     if (document().hasPendingForcedStyleRecalc())
         return;
 
     // If we are already parsing the body and so may have significant amount of elements, put some effort into trying to avoid style recalcs.
     if (!document().body() || document().hasNodesWithPlaceholderStyle())
         return;
-    StyleSheetInvalidationAnalysis invalidationAnalysis(addedSheets);
+    StyleSheetInvalidationAnalysis invalidationAnalysis(*m_treeScope, addedSheets);
     if (invalidationAnalysis.dirtiesAllStyle())
         return;
-    invalidationAnalysis.invalidateStyle(document());
+    invalidationAnalysis.invalidateStyle();
     change.requiresFullStyleRecalc = false;
     return;
 }
 
 void TreeScopeStyleSheetCollection::clearMediaQueryRuleSetStyleSheets()
 {
     for (size_t i = 0; i < m_activeAuthorStyleSheets.size(); ++i) {
         StyleSheetContents* contents = m_activeAuthorStyleSheets[i]->contents();
         if (contents->hasMediaQueries())
             contents->clearRuleSet();
     }
 }
 
 DEFINE_TRACE(TreeScopeStyleSheetCollection)
 {
     visitor->trace(m_treeScope);
     visitor->trace(m_styleSheetCandidateNodes);
     StyleSheetCollection::trace(visitor);
 }
 
 }