Revert of Implement timers by posting delayed tasks

Source/core/Init.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 36 matching lines @@
 #include "core/XMLNames.h"
 #include "core/css/parser/CSSParserTokenRange.h"
 #include "core/dom/Document.h"
 #include "core/dom/StyleChangeReason.h"
 #include "core/events/EventFactory.h"
 #include "core/fetch/FetchInitiatorTypeNames.h"
 #include "core/html/parser/HTMLParserThread.h"
 #include "core/workers/WorkerThread.h"
 #include "platform/EventTracer.h"
 #include "platform/FontFamilyNames.h"
+#include "platform/PlatformThreadData.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/SecurityPolicy.h"
 #include "wtf/Partitions.h"
 #include "wtf/text/StringStatics.h"
 
 namespace blink {
 
 void CoreInitializer::registerEventFactory()
 {
     static bool isRegistered = false;
@@ skipping 35 matching lines @@
 
     StyleChangeExtraData::init();
 
     QualifiedName::init();
     EventTracer::initialize();
     KURL::initialize();
     SecurityPolicy::init();
 
     registerEventFactory();
 
+    // Ensure that the main thread's thread-local data is initialized before
+    // starting any worker threads.
+    PlatformThreadData::current();
+
     StringImpl::freezeStaticStrings();
 
     // Creates HTMLParserThread::shared and ScriptStreamerThread::shared, but
     // does not start the threads.
     HTMLParserThread::init();
     ScriptStreamerThread::init();
 }
 
 void CoreInitializer::shutdown()
 {
     // Make sure we stop the HTMLParserThread before Platform::current() is
     // cleared.
     HTMLParserThread::shutdown();
 }
 
 } // namespace blink