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

third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  *               All right reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 53 matching lines @@
       isAfterExpansion = true;
     } else {
       opportunitiesInRun = Character::expansionOpportunityCount(
           text.characters16() + run.m_start, run.m_stop - run.m_start,
           run.m_box->direction(), isAfterExpansion, textJustify);
     }
     m_runsWithExpansions.append(opportunitiesInRun);
     m_totalOpportunities += opportunitiesInRun;
   }
   void removeTrailingExpansion() {
-    if (!m_totalOpportunities || !m_runsWithExpansions.last())
+    if (!m_totalOpportunities || !m_runsWithExpansions.back())
       return;
-    m_runsWithExpansions.last()--;
+    m_runsWithExpansions.back()--;
     m_totalOpportunities--;
   }
 
   unsigned count() { return m_totalOpportunities; }
 
   unsigned opportunitiesInRun(size_t run) { return m_runsWithExpansions[run]; }
 
   void computeExpansionsForJustifiedText(BidiRun* firstRun,
                                          BidiRun* trailingSpaceRun,
                                          LayoutUnit& totalLogicalWidth,
@@ skipping 2424 matching lines @@
 
 bool LayoutBlockFlow::paintedOutputOfObjectHasNoEffectRegardlessOfSize() const {
   // LayoutBlockFlow is in charge of paint invalidation of the first line.
   if (firstLineBox())
     return false;
 
   return LayoutBlock::paintedOutputOfObjectHasNoEffectRegardlessOfSize();
 }
 
 }  // namespace blink