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

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 35 matching lines @@
 }
 
 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);
+  m_activeAuthorStyleSheets.push_back(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);
+    m_activeAuthorStyleSheets.push_back(sheet);
   }
 }
 
 void StyleSheetCollection::appendSheetForList(StyleSheet* sheet) {
-  m_styleSheetsForStyleSheetList.append(
+  m_styleSheetsForStyleSheetList.push_back(
       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