WTF/std normalization: replace WTF::Vector::first() with ::front()

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

 /*
  * Copyright (C) 2007, 2009, 2010 Apple 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 47 matching lines @@
 }
 
 void TimeRanges::invert() {
   TimeRanges* inverted = TimeRanges::create();
   double posInf = std::numeric_limits<double>::infinity();
   double negInf = -std::numeric_limits<double>::infinity();
 
   if (!m_ranges.size()) {
     inverted->add(negInf, posInf);
   } else {
-    double start = m_ranges.first().m_start;
+    double start = m_ranges.front().m_start;
     if (start != negInf)
       inverted->add(negInf, start);
 
     for (size_t index = 0; index + 1 < m_ranges.size(); ++index)
       inverted->add(m_ranges[index].m_end, m_ranges[index + 1].m_start);
 
     double end = m_ranges.back().m_end;
     if (end != posInf)
       inverted->add(end, posInf);
   }
@@ skipping 123 matching lines @@
     if (delta < bestDelta ||
         (delta == bestDelta &&
          std::abs(currentPlaybackPosition - match) <
              std::abs(currentPlaybackPosition - bestMatch))) {
       bestDelta = delta;
       bestMatch = match;
     }
   }
   return bestMatch;
 }