Tidy DEFINE_(THREAD_SAFE_)STATIC_LOCAL() implementations.

third_party/WebKit/Source/wtf/ThreadingPthreads.cpp

 /*
  * Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com)
  * Copyright (C) 2011 Research In Motion Limited. 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 57 matching lines @@
   return syscall(__NR_gettid);
 #elif OS(ANDROID)
   return gettid();
 #else
   return reinterpret_cast<uintptr_t>(pthread_self());
 #endif
 }
 
 }  // namespace internal
 
-static Mutex* atomicallyInitializedStaticMutex;
-
 void initializeThreading() {
   // This should only be called once.
-  DCHECK(!atomicallyInitializedStaticMutex);
-
   WTFThreadData::initialize();
 
-  atomicallyInitializedStaticMutex = new Mutex;
   initializeDates();
   // Force initialization of static DoubleToStringConverter converter variable
   // inside EcmaScriptConverter function while we are in single thread mode.
   double_conversion::DoubleToStringConverter::EcmaScriptConverter();
 }
 
-void lockAtomicallyInitializedStaticMutex() {
-  DCHECK(atomicallyInitializedStaticMutex);
-  atomicallyInitializedStaticMutex->lock();
-}
-
-void unlockAtomicallyInitializedStaticMutex() {
-  atomicallyInitializedStaticMutex->unlock();
-}
-
 ThreadIdentifier currentThread() {
   return wtfThreadData().threadId();
 }
 
 MutexBase::MutexBase(bool recursive) {
   pthread_mutexattr_t attr;
   pthread_mutexattr_init(&attr);
   pthread_mutexattr_settype(
       &attr, recursive ? PTHREAD_MUTEX_RECURSIVE : PTHREAD_MUTEX_NORMAL);
 
@@ skipping 114 matching lines @@
 }
 
 void ThreadCondition::broadcast() {
   int result = pthread_cond_broadcast(&m_condition);
   DCHECK_EQ(result, 0);
 }
 
 #if DCHECK_IS_ON()
 static bool s_threadCreated = false;
 
-bool isAtomicallyInitializedStaticMutexLockHeld() {
-  return atomicallyInitializedStaticMutex &&
-         atomicallyInitializedStaticMutex->locked();
-}
-
 bool isBeforeThreadCreated() {
   return !s_threadCreated;
 }
 
 void willCreateThread() {
   s_threadCreated = true;
 }
 #endif
 
 }  // namespace WTF
 
 #endif  // OS(POSIX)