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

third_party/WebKit/Source/modules/webusb/USBInterface.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 "modules/webusb/USBInterface.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "device/usb/public/interfaces/device.mojom-blink.h"
 #include "modules/webusb/USBAlternateInterface.h"
 #include "modules/webusb/USBConfiguration.h"
@@ skipping 41 matching lines @@
 USBAlternateInterface* USBInterface::alternate() const {
   if (m_device->isInterfaceClaimed(m_configurationIndex, m_interfaceIndex))
     return USBAlternateInterface::create(
         this, m_device->selectedAlternateInterface(m_interfaceIndex));
   return nullptr;
 }
 
 HeapVector<Member<USBAlternateInterface>> USBInterface::alternates() const {
   HeapVector<Member<USBAlternateInterface>> alternates;
   for (size_t i = 0; i < info().alternates.size(); ++i)
-    alternates.append(USBAlternateInterface::create(this, i));
+    alternates.push_back(USBAlternateInterface::create(this, i));
   return alternates;
 }
 
 bool USBInterface::claimed() const {
   return m_device->isInterfaceClaimed(m_configurationIndex, m_interfaceIndex);
 }
 
 DEFINE_TRACE(USBInterface) {
   visitor->trace(m_device);
 }
 
 }  // namespace blink