Remove dead code guarded by OS(WINDOWS) && USE(PTHREADS).

Source/wtf/ThreadingWin.cpp

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile, Inc. All rights reserved.
  *
  * 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
@@ skipping 76 matching lines @@
 #include "Threading.h"
 
 #if OS(WINDOWS)
 
 #include "DateMath.h"
 #include "dtoa.h"
 #include "dtoa/cached-powers.h"
 
 #include "MainThread.h"
 #include "ThreadFunctionInvocation.h"
+#include "ThreadSpecific.h"
 #include <windows.h>
 #include "wtf/CurrentTime.h"
 #include "wtf/HashMap.h"
 #include "wtf/MathExtras.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RandomNumberSeed.h"
 #include "wtf/WTFThreadData.h"
 
-#if !USE(PTHREADS) && OS(WINDOWS)
-#include "ThreadSpecific.h"
-#endif
-
 #include <errno.h>
 #include <process.h>
 
 namespace WTF {
 
 // MS_VC_EXCEPTION, THREADNAME_INFO, and setThreadNameInternal all come from <http://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx>.
 static const DWORD MS_VC_EXCEPTION = 0x406D1388;
 
 #pragma pack(push, 8)
 typedef struct tagTHREADNAME_INFO {
@@ skipping 78 matching lines @@
     MutexLocker locker(threadMapMutex());
     ASSERT(threadMap().contains(id));
     threadMap().remove(id);
 }
 
 static unsigned __stdcall wtfThreadEntryPoint(void* param)
 {
     OwnPtr<ThreadFunctionInvocation> invocation = adoptPtr(static_cast<ThreadFunctionInvocation*>(param));
     invocation->function(invocation->data);
 
-#if !USE(PTHREADS) && OS(WINDOWS)
     // Do the TLS cleanup.
     ThreadSpecificThreadExit();
-#endif
 
     return 0;
 }
 
 ThreadIdentifier createThreadInternal(ThreadFunction entryPoint, void* data, const char* threadName)
 {
     unsigned threadIdentifier = 0;
     ThreadIdentifier threadID = 0;
     OwnPtr<ThreadFunctionInvocation> invocation = adoptPtr(new ThreadFunctionInvocation(entryPoint, data));
     HANDLE threadHandle = reinterpret_cast<HANDLE>(_beginthreadex(0, 0, wtfThreadEntryPoint, invocation.get(), 0, &threadIdentifier));
@@ skipping 269 matching lines @@
     // Time is too far in the future (and would overflow unsigned long) - wait forever.
     if (absoluteTime - currentTime > static_cast<double>(INT_MAX) / 1000.0)
         return INFINITE;
 
     return static_cast<DWORD>((absoluteTime - currentTime) * 1000.0);
 }
 
 } // namespace WTF
 
 #endif // OS(WINDOWS)