Migrate WTF::HashMap::get() to ::at()

third_party/WebKit/Source/core/style/ComputedStyle.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2011 Adobe Systems Incorporated. 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 1544 matching lines @@
   std::unique_ptr<CounterDirectiveMap>& map =
       m_rareNonInheritedData.access()->m_counterDirectives;
   if (!map)
     map = WTF::wrapUnique(new CounterDirectiveMap);
   return *map;
 }
 
 const CounterDirectives ComputedStyle::getCounterDirectives(
     const AtomicString& identifier) const {
   if (const CounterDirectiveMap* directives = counterDirectives())
-    return directives->get(identifier);
+    return directives->at(identifier);
   return CounterDirectives();
 }
 
 void ComputedStyle::clearIncrementDirectives() {
   if (!counterDirectives())
     return;
 
   // This makes us copy even if we may not be removing any items.
   CounterDirectiveMap& map = accessCounterDirectives();
   typedef CounterDirectiveMap::iterator Iterator;
@@ skipping 915 matching lines @@
     if (value < 0)
       fvalue -= 0.5f;
     else
       fvalue += 0.5f;
   }
 
   return roundForImpreciseConversion<int>(fvalue / zoomFactor);
 }
 
 }  // namespace blink