Current work-in-progress crbug.com/567021

third_party/WebKit/Source/core/dom/StyleSheetCollection.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 11 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/StyleSheetCollection.h"
 
 #include "core/css/CSSStyleSheet.h"
+#include "core/css/RuleSet.h"
 
 namespace blink {
 
 StyleSheetCollection::StyleSheetCollection() {}
 
 void StyleSheetCollection::dispose() {
   m_styleSheetsForStyleSheetList.clear();
   m_activeAuthorStyleSheets.clear();
 }
 
 void StyleSheetCollection::swap(StyleSheetCollection& other) {
   ::blink::swap(m_styleSheetsForStyleSheetList,
                 other.m_styleSheetsForStyleSheetList, this, &other);
   m_activeAuthorStyleSheets.swap(other.m_activeAuthorStyleSheets);
 }
 
 void StyleSheetCollection::swapSheetsForSheetList(
     HeapVector<Member<StyleSheet>>& sheets) {
   // Only called for collection of HTML Imports that never has active sheets.
   DCHECK(m_activeAuthorStyleSheets.isEmpty());
   ::blink::swap(m_styleSheetsForStyleSheetList, sheets, this);
 }
 
-void StyleSheetCollection::appendActiveStyleSheet(CSSStyleSheet* sheet) {
-  m_activeAuthorStyleSheets.append(sheet);
-}
-
-void StyleSheetCollection::appendActiveStyleSheets(
-    const HeapVector<Member<CSSStyleSheet>>& sheets) {
-  m_activeAuthorStyleSheets.appendVector(sheets);
-}
-
-void StyleSheetCollection::appendActiveStyleSheets(
-    const HeapVector<TraceWrapperMember<CSSStyleSheet>>& sheets) {
-  for (CSSStyleSheet* sheet : sheets) {
-    m_activeAuthorStyleSheets.append(sheet);
-  }
+void StyleSheetCollection::appendActiveStyleSheet(
+    const ActiveStyleSheet& activeSheet) {
+  m_activeAuthorStyleSheets.append(activeSheet);
 }
 
 void StyleSheetCollection::appendSheetForList(StyleSheet* sheet) {
   m_styleSheetsForStyleSheetList.append(
       TraceWrapperMember<StyleSheet>(this, sheet));
 }
 
 DEFINE_TRACE(StyleSheetCollection) {
   visitor->trace(m_activeAuthorStyleSheets);
   visitor->trace(m_styleSheetsForStyleSheetList);
 }
 
 DEFINE_TRACE_WRAPPERS(StyleSheetCollection) {
   for (auto sheet : m_styleSheetsForStyleSheetList) {
     visitor->traceWrappers(sheet);
   }
 }
 
 }  // namespace blink