WorkerThread: drop unnecessary interfaces to simplify

Source/core/workers/WorkerMessagingProxy.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 215 matching lines @@
         delete this;
 }
 
 void WorkerMessagingProxy::terminateWorkerGlobalScope()
 {
     if (m_askedToTerminate)
         return;
     m_askedToTerminate = true;
 
     if (m_workerThread)
-        m_workerThread->stop();
+        m_workerThread->terminate();
 
     terminateInternally();
 }
 
 void WorkerMessagingProxy::postMessageToPageInspector(const String& message)
 {
     if (!m_workerInspectorProxy)
         return;
     WorkerInspectorProxy::PageInspector* pageInspector = m_workerInspectorProxy->pageInspector();
     if (pageInspector)
@@ skipping 39 matching lines @@
 
     // FIXME: This need to be revisited when we support nested worker one day
     ASSERT(m_executionContext->isDocument());
     Document* document = toDocument(m_executionContext.get());
     LocalFrame* frame = document->frame();
     if (frame)
         frame->console().adoptWorkerMessagesAfterTermination(this);
 }
 
 } // namespace blink