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

third_party/WebKit/Source/core/dom/shadow/ShadowRoot.cpp

 /*
  * Copyright (C) 2011 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 256 matching lines @@
     return m_shadowRootRareDataV0->descendantInsertionPoints();
 
   m_descendantInsertionPointsIsValid = true;
 
   if (!containsInsertionPoints())
     return emptyList;
 
   HeapVector<Member<InsertionPoint>> insertionPoints;
   for (InsertionPoint& insertionPoint :
        Traversal<InsertionPoint>::descendantsOf(*this))
-    insertionPoints.append(&insertionPoint);
+    insertionPoints.push_back(&insertionPoint);
 
   ensureShadowRootRareDataV0().setDescendantInsertionPoints(insertionPoints);
 
   return m_shadowRootRareDataV0->descendantInsertionPoints();
 }
 
 StyleSheetList& ShadowRoot::styleSheets() {
   if (!m_styleSheetList)
     setStyleSheets(StyleSheetList::create(this));
   return *m_styleSheetList;
@@ skipping 28 matching lines @@
       ostream << "ShadowRootType::Open";
       break;
     case ShadowRootType::Closed:
       ostream << "ShadowRootType::Closed";
       break;
   }
   return ostream;
 }
 
 }  // namespace blink