Switch wtf/SpinLock to std::atomic

third_party/WebKit/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 10 matching lines @@
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "wtf/text/TextEncodingRegistry.h"
 
 #include "wtf/ASCIICType.h"
+#include "wtf/Atomics.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/MainThread.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/StringExtras.h"
 #include "wtf/ThreadingPrimitives.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/TextCodecICU.h"
 #include "wtf/text/TextCodecLatin1.h"
@@ skipping 284 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