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

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

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/dom/shadow/SlotAssignment.h"
 
 #include "core/HTMLNames.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/Node.h"
 #include "core/dom/NodeTraversal.h"
@@ skipping 152 matching lines @@
   return m_slotMap->getSlotByName(slotName, m_owner.get());
 }
 
 void SlotAssignment::collectSlots() {
   DCHECK(m_needsCollectSlots);
   m_slots.clear();
 
   m_slots.reserveCapacity(m_slotCount);
   for (HTMLSlotElement& slot :
        Traversal<HTMLSlotElement>::descendantsOf(*m_owner)) {
-    m_slots.append(&slot);
+    m_slots.push_back(&slot);
   }
   m_needsCollectSlots = false;
   DCHECK_EQ(m_slots.size(), m_slotCount);
 }
 
 DEFINE_TRACE(SlotAssignment) {
   visitor->trace(m_slots);
   visitor->trace(m_slotMap);
   visitor->trace(m_owner);
 }
 
 }  // namespace blink