Add removeAll method to sets and maps and use them

Source/wtf/text/TextEncodingRegistry.cpp

 /*
  * Copyright (C) 2006, 2007, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  *
  * 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
@@ skipping 174 matching lines @@
             continue;
 
         Vector<const char*> names;
         TextEncodingNameMap::const_iterator it = textEncodingNameMap->begin();
         TextEncodingNameMap::const_iterator end = textEncodingNameMap->end();
         for (; it != end; ++it) {
             if (it->value == atomicName)
                 names.append(it->key);
         }
 
-        size_t length = names.size();
-        for (size_t j = 0; j < length; ++j)
-            textEncodingNameMap->remove(names[j]);
+        textEncodingNameMap->removeAll(names);
 
         textCodecMap->remove(atomicName);
     }
 }
 
 static void buildBaseTextCodecMaps()
 {
     ASSERT(isMainThread());
     ASSERT(!textCodecMap);
     ASSERT(!textEncodingNameMap);
@@ skipping 145 matching lines @@
     MutexLocker lock(encodingRegistryMutex());
 
     TextEncodingNameMap::const_iterator it = textEncodingNameMap->begin();
     TextEncodingNameMap::const_iterator end = textEncodingNameMap->end();
     for (; it != end; ++it)
         fprintf(stderr, "'%s' => '%s'\n", it->key, it->value);
 }
 #endif
 
 } // namespace WTF