Migrate WTF::Vector::append() to ::push_back() [part 13 of N]

third_party/WebKit/Source/modules/accessibility/AXMenuListOption.cpp

 /*
  * Copyright (C) 2010 Apple 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 131 matching lines @@
   bool foundTextAlternative = false;
   String textAlternative = ariaTextAlternative(
       recursive, inAriaLabelledByTraversal, visited, nameFrom, relatedObjects,
       nameSources, &foundTextAlternative);
   if (foundTextAlternative && !nameSources)
     return textAlternative;
 
   nameFrom = AXNameFromContents;
   textAlternative = m_element->displayLabel();
   if (nameSources) {
-    nameSources->append(NameSource(foundTextAlternative));
+    nameSources->push_back(NameSource(foundTextAlternative));
     nameSources->back().type = nameFrom;
     nameSources->back().text = textAlternative;
     foundTextAlternative = true;
   }
 
   return textAlternative;
 }
 
 DEFINE_TRACE(AXMenuListOption) {
   visitor->trace(m_element);
   AXMockObject::trace(visitor);
 }
 
 }  // namespace blink