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

third_party/WebKit/Source/core/css/MediaQueryExp.cpp

 /*
  * CSS Media Query
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2013 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:
@@ skipping 197 matching lines @@
     const Vector<CSSParserToken, 4>& tokenList) {
   ASSERT(!mediaFeature.isNull());
 
   MediaQueryExpValue expValue;
   String lowerMediaFeature = attemptStaticStringCreation(mediaFeature.lower());
 
   // Create value for media query expression that must have 1 or more values.
   if (tokenList.size() == 0 && featureWithoutValue(lowerMediaFeature)) {
     // Valid, creates a MediaQueryExp with an 'invalid' MediaQueryExpValue
   } else if (tokenList.size() == 1) {
-    CSSParserToken token = tokenList.first();
+    CSSParserToken token = tokenList.front();
 
     if (token.type() == IdentToken) {
       CSSValueID ident = token.id();
       if (!featureWithValidIdent(lowerMediaFeature, ident))
         return nullptr;
       expValue.id = ident;
       expValue.isID = true;
     } else if (token.type() == NumberToken || token.type() == PercentageToken ||
                token.type() == DimensionToken) {
       // Check for numeric token types since it is only safe for these types to
@@ skipping 83 matching lines @@
     output.append('/');
     output.append(printNumber(denominator));
   } else if (isID) {
     output.append(getValueName(id));
   }
 
   return output.toString();
 }
 
 }  // namespace blink