Migrate WTF::Vector::append() to ::push_back() [part 4 of N]

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 39 matching lines @@
   m_collection->appendActiveStyleSheets(sheets);
 }
 
 void DocumentStyleSheetCollector::appendActiveStyleSheet(CSSStyleSheet* sheet) {
   DCHECK(m_collection);
   m_collection->appendActiveStyleSheet(sheet);
 }
 
 void DocumentStyleSheetCollector::appendSheetForList(StyleSheet* sheet) {
   if (m_styleSheetsForStyleSheetList) {
-    m_styleSheetsForStyleSheetList->append(sheet);
+    m_styleSheetsForStyleSheetList->push_back(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