Initial checkin of the out of process worker implementation....

chrome/worker/worker_thread.cc

Index: chrome/worker/worker_thread.cc
===================================================================
--- chrome/worker/worker_thread.cc	(revision 0)
+++ chrome/worker/worker_thread.cc	(revision 0)
@@ -0,0 +1,26 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/worker/worker_thread.h"
+
+#include "chrome/common/worker_messages.h"
+#include "chrome/worker/webworkerclient_proxy.h"
+#include "chrome/worker/worker_process.h"
+
+WorkerThread::WorkerThread()
+    : ChildThread(base::Thread::Options(MessageLoop::TYPE_DEFAULT, kV8StackSize)) {
+}
+
+WorkerThread::~WorkerThread() {
+}
+
+void WorkerThread::OnControlMessageReceived(const IPC::Message& msg) {
+  IPC_BEGIN_MESSAGE_MAP(WorkerThread, msg)
+    IPC_MESSAGE_HANDLER(WorkerProcessMsg_CreateWorker, OnCreateWorker)
+  IPC_END_MESSAGE_MAP()
+}
+
+void WorkerThread::OnCreateWorker(const GURL& url, int route_id) {
+  WebWorkerClientProxy* worker = new WebWorkerClientProxy(url, route_id);
+}