Migrate WTF::Vector::append() to ::push_back() [part 12 of N]

third_party/WebKit/Source/core/xml/XPathExpressionNode.h

 /*
  * Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
  * Copyright (C) 2006, 2009 Apple Inc.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 54 matching lines @@
   Expression();
   ~Expression() override;
   DECLARE_VIRTUAL_TRACE();
 
   virtual Value evaluate(EvaluationContext&) const = 0;
 
   void addSubExpression(Expression* expr) {
     m_isContextNodeSensitive |= expr->m_isContextNodeSensitive;
     m_isContextPositionSensitive |= expr->m_isContextPositionSensitive;
     m_isContextSizeSensitive |= expr->m_isContextSizeSensitive;
-    m_subExpressions.append(expr);
+    m_subExpressions.push_back(expr);
   }
 
   bool isContextNodeSensitive() const { return m_isContextNodeSensitive; }
   bool isContextPositionSensitive() const {
     return m_isContextPositionSensitive;
   }
   bool isContextSizeSensitive() const { return m_isContextSizeSensitive; }
   void setIsContextNodeSensitive(bool value) {
     m_isContextNodeSensitive = value;
   }
@@ skipping 20 matching lines @@
   bool m_isContextNodeSensitive;
   bool m_isContextPositionSensitive;
   bool m_isContextSizeSensitive;
 };
 
 }  // namespace XPath
 
 }  // namespace blink
 
 #endif  // XPathExpressionNode_h