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

third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp

 /*
  * Copyright (C) 2010 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:
  * 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 505 matching lines @@
 
     if (!chunk->startingScript &&
         (it->type() == HTMLToken::StartTag || it->type() == HTMLToken::EndTag))
       elementTokenCount++;
 
     if (document()->frame() &&
         document()->frame()->navigationScheduler().locationChangePending()) {
       // To match main-thread parser behavior (which never checks
       // locationChangePending on the EOF path) we peek to see if this chunk has
       // an EOF and process it anyway.
-      if (tokens->last().type() == HTMLToken::EndOfFile) {
+      if (tokens->back().type() == HTMLToken::EndOfFile) {
         ASSERT(
             m_speculations
                 .isEmpty());  // There should never be any chunks after the EOF.
         prepareToStopParsing();
       }
       break;
     }
 
     m_textPosition = it->textPosition();
 
@@ skipping 758 matching lines @@
     case Asynchronous:
       m_loadingTaskRunner->postTask(
           BLINK_FROM_HERE,
           WTF::bind(function, std::forward<Ps>(parameters)...));
       return;
   }
   NOTREACHED();
 }
 
 }  // namespace blink