Revert "Oilpan: Support the HTML parser thread in oilpan"

Source/core/html/parser/HTMLParserThread.h

 /*
  * 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR 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.
  */
 
 #ifndef HTMLParserThread_h
 #define HTMLParserThread_h
 
-#include "heap/glue/MessageLoopInterruptor.h"
-#include "heap/glue/PendingGCRunner.h"
-#include "public/platform/WebThread.h"
 #include "wtf/Functional.h"
 #include "wtf/OwnPtr.h"
+#include "public/platform/WebThread.h"
 
 namespace WebCore {
 
-class TaskSynchronizer;
-
 class HTMLParserThread {
 public:
     static void init();
     static void shutdown();
 
     // It is an error to call shared() before init() or after shutdown();
     static HTMLParserThread* shared();
 
     void postTask(const Closure&);
     blink::WebThread& platformThread();
 
 private:
     HTMLParserThread();
     ~HTMLParserThread();
-    void setupHTMLParserThread();
-    void cleanupHTMLParserThread(TaskSynchronizer*);
 
     OwnPtr<blink::WebThread> m_thread;
-    OwnPtr<PendingGCRunner> m_pendingGCRunner;
-    OwnPtr<MessageLoopInterruptor> m_messageLoopInterruptor;
 };
 
 } // namespace WebCore
 
 #endif // HTMLParserThread_h