[import] support document.stylesheets in imported documents.

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)
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
@@ skipping 83 matching lines @@
                 engine->selectStylesheetSetName(candidate.title());
             continue;
         }
 
         StyleSheet* sheet = candidate.sheet();
         if (!sheet)
             continue;
 
         if (candidate.hasPreferrableName(engine->preferredStylesheetSetName()))
             engine->selectStylesheetSetName(candidate.title());
-        if (collector.isCollectingForList(m_treeScope))
-            collector.appendSheetForList(sheet);
+        collector.appendSheetForList(sheet);
         if (candidate.canBeActivated(engine->preferredStylesheetSetName()))
             collector.appendActiveStyleSheet(toCSSStyleSheet(sheet));
     }
 }
 
 static void collectActiveCSSStyleSheetsFromSeamlessParents(StyleSheetCollectionBase& collection, Document* document)
 {
     HTMLIFrameElement* seamlessParentIFrame = document->seamlessParentIFrame();
     if (!seamlessParentIFrame)
         return;
@@ skipping 31 matching lines @@
                 engine->resetFontSelector();
             styleResolver->removePendingAuthorStyleSheets(m_activeAuthorStyleSheets);
             styleResolver->lazyAppendAuthorStyleSheets(0, collector.collection().activeAuthorStyleSheets());
         } else {
             styleResolver->lazyAppendAuthorStyleSheets(m_activeAuthorStyleSheets.size(), collector.collection().activeAuthorStyleSheets());
         }
     } else if (change.styleResolverUpdateType == ResetStyleResolverAndFontSelector) {
         engine->resetFontSelector();
     }
     m_scopingNodesForStyleScoped.didRemoveScopingNodes();
+
     collector.setCollectionTo(*this);
+    for (DocumentStyleSheetCollector::SheetListMapIteraor i = collector.sheetListMap().begin(); i != collector.sheetListMap().end(); ++i)

[esprehn, 2014/01/23 07:51:03]

typo, you want SheetListMapIterator (missing t)

[Hajime Morrita, 2014/01/24 01:25:51]

Done.

+        i->key->styleEngine()->setStyleSheetsForStyleSheetList(i->value);
+
     updateUsesRemUnits();
 
     return change.requiresFullStyleRecalc;
 }
 
 }