workers: Move core worker functionality into InProcessWorkerBase.

Source/core/workers/DedicatedWorkerMessagingProxy.h

Index: Source/core/workers/DedicatedWorkerMessagingProxy.h
diff --git a/Source/core/workers/DedicatedWorkerMessagingProxy.h b/Source/core/workers/DedicatedWorkerMessagingProxy.h
new file mode 100644
index 0000000000000000000000000000000000000000..a950deba67fdec4e7ff3fb1ddfc53a98ea7686e5
--- /dev/null
+++ b/Source/core/workers/DedicatedWorkerMessagingProxy.h
@@ -0,0 +1,24 @@
+// Copyright 2015 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 DedicatedWorkerMessagingProxy_h
+#define DedicatedWorkerMessagingProxy_h
+
+#include "core/workers/WorkerMessagingProxy.h"
+
+namespace blink {
+
+class DedicatedWorkerMessagingProxy final : public WorkerMessagingProxy {
+    WTF_MAKE_NONCOPYABLE(DedicatedWorkerMessagingProxy);
+    WTF_MAKE_FAST_ALLOCATED(WorkerMessagingProxy);
+public:
+    DedicatedWorkerMessagingProxy(InProcessWorkerBase*, PassOwnPtrWillBeRawPtr<WorkerClients>);
+    virtual ~DedicatedWorkerMessagingProxy();
+
+    PassRefPtr<WorkerThread> createWorkerThread(double originTime, PassOwnPtr<WorkerThreadStartupData>) override;
+};
+
+} // namespace blink
+
+#endif // DedicatedWorkerMessagingProxy_h