WTF/std normalization: replace WTF::Vector::last with ::back

third_party/WebKit/Source/core/html/HTMLInputElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
  * rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved.
@@ skipping 1568 matching lines @@
   HeapVector<Member<HTMLOptionElement>> filtered;
   HTMLDataListElement* dataList = this->dataList();
   if (!dataList)
     return filtered;
 
   String value = innerEditorValue();
   if (multiple() && type() == InputTypeNames::email) {
     Vector<String> emails;
     value.split(',', true, emails);
     if (!emails.isEmpty())
-      value = emails.last().stripWhiteSpace();
+      value = emails.back().stripWhiteSpace();
   }
 
   HTMLDataListOptionsCollection* options = dataList->options();
   filtered.reserveCapacity(options->length());
   value = value.foldCase();
   for (unsigned i = 0; i < options->length(); ++i) {
     HTMLOptionElement* option = options->item(i);
     DCHECK(option);
     if (!value.isEmpty()) {
       // Firefox shows OPTIONs with matched labels, Edge shows OPTIONs
@@ skipping 291 matching lines @@
 
 bool HTMLInputElement::hasFallbackContent() const {
   return m_inputTypeView->hasFallbackContent();
 }
 
 void HTMLInputElement::setFilesFromPaths(const Vector<String>& paths) {
   return m_inputType->setFilesFromPaths(paths);
 }
 
 }  // namespace blink