Clear document scope dirtiness in import StyleEngine.

third_party/WebKit/Source/core/dom/DocumentStyleSheetCollection.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)
@@ skipping 47 matching lines @@
 
     DCHECK(!candidate.IsXSL());
     if (candidate.IsImport()) {
       Document* document = candidate.ImportedDocument();
       if (!document)
         continue;
       if (collector.HasVisited(document))
         continue;
       collector.WillVisit(document);
 
-      document->GetStyleEngine().UpdateStyleSheetsInImport(master_engine,
-                                                           collector);
+      document->GetStyleEngine().UpdateActiveStyleSheetsInImport(master_engine,
+                                                                 collector);
       continue;
     }
 
     if (candidate.IsEnabledAndLoading())
       continue;
 
     StyleSheet* sheet = candidate.Sheet();
     if (!sheet)
       continue;
 
@@ skipping 46 matching lines @@
       continue;
     if (!candidate.CanBeActivated(
             GetDocument().GetStyleEngine().PreferredStylesheetSetName()))
       continue;
     viewport_resolver.CollectViewportRulesFromAuthorSheet(
         *ToCSSStyleSheet(sheet));
   }
 }
 
 }  // namespace blink