Collect active stylesheets and and apply asynchronously.

third_party/WebKit/Source/core/dom/DocumentStyleSheetCollector.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 12 matching lines @@
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "core/dom/DocumentStyleSheetCollector.h"
 
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/StyleSheet.h"
+#include "core/dom/Document.h"
 #include "core/dom/DocumentStyleSheetCollection.h"
 
 namespace blink {
 
 DocumentStyleSheetCollector::DocumentStyleSheetCollector(
     StyleSheetCollection* collection,
     HeapVector<Member<StyleSheet>>* sheetsForList,
     HeapHashSet<Member<Document>>* visitedDocuments)
     : m_collection(collection),
       m_styleSheetsForStyleSheetList(sheetsForList),
       m_visitedDocuments(visitedDocuments) {}
 
 DocumentStyleSheetCollector::~DocumentStyleSheetCollector() {}
 
-void DocumentStyleSheetCollector::appendActiveStyleSheets(
-    const HeapVector<TraceWrapperMember<CSSStyleSheet>>& sheets) {
-  DCHECK(m_collection);
-  m_collection->appendActiveStyleSheets(sheets);
-}
-
-void DocumentStyleSheetCollector::appendActiveStyleSheet(CSSStyleSheet* sheet) {
+void DocumentStyleSheetCollector::appendActiveStyleSheet(
+    const ActiveStyleSheet& sheet) {
   DCHECK(m_collection);
   m_collection->appendActiveStyleSheet(sheet);
 }
 
 void DocumentStyleSheetCollector::appendSheetForList(StyleSheet* sheet) {
   if (m_styleSheetsForStyleSheetList) {
     m_styleSheetsForStyleSheetList->append(sheet);
   } else {
     m_collection->appendSheetForList(sheet);
   }
 }
 
 ActiveDocumentStyleSheetCollector::ActiveDocumentStyleSheetCollector(
     StyleSheetCollection& collection)
     : DocumentStyleSheetCollector(&collection, nullptr, &m_visitedDocuments) {}
 
 ImportedDocumentStyleSheetCollector::ImportedDocumentStyleSheetCollector(
     DocumentStyleSheetCollector& collector,
     HeapVector<Member<StyleSheet>>& sheetForList)
     : DocumentStyleSheetCollector(collector.m_collection,
                                   &sheetForList,
                                   collector.m_visitedDocuments) {}
 
 }  // namespace blink