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

third_party/WebKit/Source/wtf/HashCountedSet.h

 /*
  * Copyright (C) 2005, 2006, 2008 Apple 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 63 matching lines @@
   iterator begin() { return m_impl.begin(); }
   iterator end() { return m_impl.end(); }
   const_iterator begin() const { return m_impl.begin(); }
   const_iterator end() const { return m_impl.end(); }
 
   iterator find(const ValueType& value) { return m_impl.find(value); }
   const_iterator find(const ValueType& value) const {
     return m_impl.find(value);
   }
   bool contains(const ValueType& value) const { return m_impl.contains(value); }
-  unsigned count(const ValueType& value) const { return m_impl.get(value); }
+  unsigned count(const ValueType& value) const { return m_impl.at(value); }
 
   // Increases the count if an equal value is already present the return value
   // is a pair of an iterator to the new value's location, and a bool that is
   // true if an new entry was added.
   AddResult add(const ValueType&);
 
   // Generalized add(), adding the value N times.
   AddResult add(const ValueType&, unsigned);
 
   // Reduces the count of the value, and removes it if count goes down to
@@ skipping 84 matching lines @@
   Vector<T> vector;
   copyToVector(*this, vector);
   return vector;
 }
 
 }  // namespace WTF
 
 using WTF::HashCountedSet;
 
 #endif  // WTF_HashCountedSet_h