Migrate WTF::Vector::append() to ::push_back() [part 3 of N]

third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 77 matching lines @@
       treeScope().document().styleEngine().ruleSetForSheet(cssSheet);
 
   m_viewportDependentMediaQueryResults.appendVector(
       cssSheet.viewportDependentMediaQueryResults());
   m_deviceDependentMediaQueryResults.appendVector(
       cssSheet.deviceDependentMediaQueryResults());
   if (!ruleSet)
     return;
 
   unsigned index = m_authorStyleSheets.size();
-  m_authorStyleSheets.append(&cssSheet);
+  m_authorStyleSheets.push_back(&cssSheet);
   addKeyframeRules(*ruleSet);
   addFontFaceRules(*ruleSet);
   addTreeBoundaryCrossingRules(*ruleSet, &cssSheet, index);
 }
 
 void ScopedStyleResolver::appendActiveStyleSheets(
     unsigned index,
     const ActiveStyleSheetVector& activeSheets) {
   for (auto activeIterator = activeSheets.begin() + index;
        activeIterator != activeSheets.end(); activeIterator++) {
     CSSStyleSheet* sheet = activeIterator->first;
     m_viewportDependentMediaQueryResults.appendVector(
         sheet->viewportDependentMediaQueryResults());
     m_deviceDependentMediaQueryResults.appendVector(
         sheet->deviceDependentMediaQueryResults());
     if (!activeIterator->second)
       continue;
     const RuleSet& ruleSet = *activeIterator->second;
-    m_authorStyleSheets.append(sheet);
+    m_authorStyleSheets.push_back(sheet);
     addKeyframeRules(ruleSet);
     addFontFaceRules(ruleSet);
     addTreeBoundaryCrossingRules(ruleSet, sheet, index++);
   }
 }
 
 void ScopedStyleResolver::collectFeaturesTo(
     RuleFeatureSet& features,
     HeapHashSet<Member<const StyleSheetContents>>&
         visitedSharedStyleSheetContents) const {
@@ skipping 177 matching lines @@
     addRules(ruleSetForScope, authorRules.contentPseudoElementRules());
     addRules(ruleSetForScope, authorRules.slottedPseudoElementRules());
   }
 
   if (!m_treeBoundaryCrossingRuleSet) {
     m_treeBoundaryCrossingRuleSet = new CSSStyleSheetRuleSubSet();
     treeScope().document().styleEngine().addTreeBoundaryCrossingScope(
         treeScope());
   }
 
-  m_treeBoundaryCrossingRuleSet->append(
+  m_treeBoundaryCrossingRuleSet->push_back(
       RuleSubSet::create(parentStyleSheet, sheetIndex, ruleSetForScope));
 }
 
 DEFINE_TRACE(ScopedStyleResolver::RuleSubSet) {
   visitor->trace(m_parentStyleSheet);
   visitor->trace(m_ruleSet);
 }
 
 }  // namespace blink