Migrate WTF::HashSet::remove() to ::erase() [part 1]

third_party/WebKit/Source/wtf/HashTable.h

 /*
  * Copyright (C) 2005, 2006, 2007, 2008, 2011, 2012 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2008 David Levin <levin@chromium.org>
  *
  * 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 2251 matching lines @@
   return a.m_impl != b.m_impl;
 }
 
 template <typename Collection1, typename Collection2>
 inline void removeAll(Collection1& collection, const Collection2& toBeRemoved) {
   if (collection.isEmpty() || toBeRemoved.isEmpty())
     return;
   typedef typename Collection2::const_iterator CollectionIterator;
   CollectionIterator end(toBeRemoved.end());
   for (CollectionIterator it(toBeRemoved.begin()); it != end; ++it)
-    collection.remove(*it);
+    collection.erase(*it);
 }
 
 }  // namespace WTF
 
 #include "wtf/HashIterators.h"
 
 #endif  // WTF_HashTable_h