debugging for crbug.com/646539

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 41 matching lines @@
 #if OS(LINUX)
 #include <sys/syscall.h>
 #endif
 
 #if OS(LINUX) || OS(ANDROID)
 #include <unistd.h>
 #endif
 
 namespace WTF {
 
-static Mutex* atomicallyInitializedStaticMutex;
-
 void initializeThreading()
 {
-    // This should only be called once.
-    ASSERT(!atomicallyInitializedStaticMutex);
-
-    // StringImpl::empty() does not construct its static string in a threadsafe fashion,
-    // so ensure it has been initialized from here.
-    StringImpl::empty();
-    StringImpl::empty16Bit();
-    atomicallyInitializedStaticMutex = new Mutex;
-    wtfThreadData();
-    initializeDates();
-    // Force initialization of static DoubleToStringConverter converter variable
-    // inside EcmaScriptConverter function while we are in single thread mode.
-    double_conversion::DoubleToStringConverter::EcmaScriptConverter();
+    //wtfThreadData();
 }
 
 void lockAtomicallyInitializedStaticMutex()
 {
-    ASSERT(atomicallyInitializedStaticMutex);
-    atomicallyInitializedStaticMutex->lock();
 }
 
 void unlockAtomicallyInitializedStaticMutex()
 {
-    atomicallyInitializedStaticMutex->unlock();
 }
 
 ThreadIdentifier currentThread()
 {
 #if OS(MACOSX)
     return pthread_mach_thread_np(pthread_self());
 #elif OS(LINUX)
     return syscall(__NR_gettid);
 #elif OS(ANDROID)
     return gettid();
@@ skipping 154 matching lines @@
 
 void willCreateThread()
 {
     s_threadCreated = true;
 }
 #endif
 
 } // namespace WTF
 
 #endif // OS(POSIX)