Revert of Change WokerThread to use a blink::WebThread.

Source/web/WebEmbeddedWorkerImpl.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 108 matching lines @@
 
     virtual void postTaskToLoader(PassOwnPtr<ExecutionContextTask> task) OVERRIDE
     {
         toWebLocalFrameImpl(m_embeddedWorker.m_mainFrame)->frame()->document()->postTask(task);
     }
 
     virtual bool postTaskToWorkerGlobalScope(PassOwnPtr<ExecutionContextTask> task) OVERRIDE
     {
         if (m_embeddedWorker.m_askedToTerminate || !m_embeddedWorker.m_workerThread)
             return false;
-        m_embeddedWorker.m_workerThread->postTask(task);
-        return !m_embeddedWorker.m_workerThread->terminated();
+        return m_embeddedWorker.m_workerThread->runLoop().postTask(task);
     }
 
 private:
     explicit LoaderProxy(WebEmbeddedWorkerImpl& embeddedWorker)
         : m_embeddedWorker(embeddedWorker)
     {
     }
 
     // Not owned, embedded worker owns this.
     WebEmbeddedWorkerImpl& m_embeddedWorker;
@@ skipping 110 matching lines @@
     ASSERT(!m_askedToTerminate);
     bool wasPaused = (m_pauseAfterDownloadState == IsPausedAfterDownload);
     m_pauseAfterDownloadState = DontPauseAfterDownload;
     if (wasPaused)
         startWorkerThread();
 }
 
 void WebEmbeddedWorkerImpl::resumeWorkerContext()
 {
     if (m_workerThread)
-        m_workerThread->postDebuggerTask(createCrossThreadTask(resumeWorkerContextTask, true));
+        m_workerThread->runLoop().postDebuggerTask(createCrossThreadTask(resumeWorkerContextTask, true));
 }
 
 void WebEmbeddedWorkerImpl::attachDevTools()
 {
     if (m_workerThread)
-        m_workerThread->postDebuggerTask(createCrossThreadTask(connectToWorkerContextInspectorTask, true));
+        m_workerThread->runLoop().postDebuggerTask(createCrossThreadTask(connectToWorkerContextInspectorTask, true));
 }
 
 void WebEmbeddedWorkerImpl::reattachDevTools(const WebString& savedState)
 {
-    m_workerThread->postDebuggerTask(createCrossThreadTask(reconnectToWorkerContextInspectorTask, String(savedState)));
+    m_workerThread->runLoop().postDebuggerTask(createCrossThreadTask(reconnectToWorkerContextInspectorTask, String(savedState)));
 }
 
 void WebEmbeddedWorkerImpl::detachDevTools()
 {
-    m_workerThread->postDebuggerTask(createCrossThreadTask(disconnectFromWorkerContextInspectorTask, true));
+    m_workerThread->runLoop().postDebuggerTask(createCrossThreadTask(disconnectFromWorkerContextInspectorTask, true));
 }
 
 void WebEmbeddedWorkerImpl::dispatchDevToolsMessage(const WebString& message)
 {
     if (m_askedToTerminate)
         return;
-    m_workerThread->postDebuggerTask(createCrossThreadTask(dispatchOnInspectorBackendTask, String(message)));
+    m_workerThread->runLoop().postDebuggerTask(createCrossThreadTask(dispatchOnInspectorBackendTask, String(message)));
     m_workerThread->interruptAndDispatchInspectorCommands();
 }
 
 void WebEmbeddedWorkerImpl::prepareShadowPageForLoader()
 {
     // Create 'shadow page', which is never displayed and is used mainly to
     // provide a context for loading on the main thread.
     //
     // FIXME: This does mostly same as WebSharedWorkerImpl::initializeLoader.
     // This code, and probably most of the code in this class should be shared
@@ skipping 84 matching lines @@
     m_mainScriptLoader.clear();
 
     m_workerGlobalScopeProxy = ServiceWorkerGlobalScopeProxy::create(*this, *toWebLocalFrameImpl(m_mainFrame)->frame()->document(), *m_workerContextClient);
     m_loaderProxy = LoaderProxy::create(*this);
 
     m_workerThread = ServiceWorkerThread::create(*m_loaderProxy, *m_workerGlobalScopeProxy, startupData.release());
     m_workerThread->start();
 }
 
 } // namespace blink