Migrate WTF::Vector::append() to ::push_back() [part 5 of N]

third_party/WebKit/Source/core/editing/commands/SplitElementCommand.cpp

 /*
  * Copyright (C) 2005, 2008 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 32 matching lines @@
   DCHECK_EQ(m_atChild->parentNode(), m_element2);
 }
 
 void SplitElementCommand::executeApply() {
   if (m_atChild->parentNode() != m_element2)
     return;
 
   HeapVector<Member<Node>> children;
   for (Node* node = m_element2->firstChild(); node != m_atChild;
        node = node->nextSibling())
-    children.append(node);
+    children.push_back(node);
 
   DummyExceptionStateForTesting exceptionState;
 
   ContainerNode* parent = m_element2->parentNode();
   if (!parent || !hasEditableStyle(*parent))
     return;
   parent->insertBefore(m_element1.get(), m_element2.get(), exceptionState);
   if (exceptionState.hadException())
     return;
 
@@ skipping 40 matching lines @@
 }
 
 DEFINE_TRACE(SplitElementCommand) {
   visitor->trace(m_element1);
   visitor->trace(m_element2);
   visitor->trace(m_atChild);
   SimpleEditCommand::trace(visitor);
 }
 
 }  // namespace blink