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

chrome/worker/worker_process.h

Index: chrome/worker/worker_process.h
===================================================================
--- chrome/worker/worker_process.h	(revision 0)
+++ chrome/worker/worker_process.h	(revision 0)
@@ -0,0 +1,28 @@
+// 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.
+
+#ifndef CHROME_WORKER_WORKER_PROCESS_H_
+#define CHROME_WORKER_WORKER_PROCESS_H_
+
+#include "chrome/common/child_process.h"
+
+// Represents the worker end of the renderer<->worker connection. The
+// opposite end is the WorkerProcessHost. This is a singleton object for
+// each worker process.
+class WorkerProcess : public ChildProcess {
+ public:
+  WorkerProcess();
+  virtual ~WorkerProcess();
+
+  // Returns a pointer to the PluginProcess singleton instance.
+  static WorkerProcess* current() {
+    return static_cast<WorkerProcess*>(ChildProcess::current());
+  }
+
+ private:
+
+  DISALLOW_COPY_AND_ASSIGN(WorkerProcess);
+};
+
+#endif  // CHROME_WORKER_WORKER_PROCESS_H_