WIP attempt to replace StartWorker/StopWorker IPCs with a new mojo EmbeddedWorker service.

content/renderer/service_worker/embedded_worker_impl.h

Index: content/renderer/service_worker/embedded_worker_impl.h
diff --git a/content/renderer/service_worker/embedded_worker_impl.h b/content/renderer/service_worker/embedded_worker_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..089b0e3f4dda7a60460947b6f97378ac952c283a
--- /dev/null
+++ b/content/renderer/service_worker/embedded_worker_impl.h
@@ -0,0 +1,49 @@
+// 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 CONTENT_RENDERER_SERVICE_WORKER_EMBEDDED_WORKER_IMPL_H_
+#define CONTENT_RENDERER_SERVICE_WORKER_EMBEDDED_WORKER_IMPL_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/common/service_worker/embedded_worker.mojom.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+}
+
+namespace content {
+class ThreadSafeSender;
+
+class EmbeddedWorkerImpl : public EmbeddedWorker {
+ public:
+  static void Create(ThreadSafeSender* thread_safe_sender,
+                     mojo::InterfaceRequest<EmbeddedWorker> request);
+
+  // EmbeddedWorker implementation:
+  void Initialize(EmbeddedWorkerStartWorkerParamsPtr params) override;
+
+  void ConnectionLost();
+  void WorkerContextDestroyed();
+
+ private:
+  EmbeddedWorkerImpl(ThreadSafeSender* thread_safe_sender,
+                     mojo::InterfaceRequest<EmbeddedWorker> request);
+  ~EmbeddedWorkerImpl() override;
+
+  void DeleteOnMainThread();
+
+  mojo::Binding<EmbeddedWorker> binding_;
+
+  int embedded_worker_id_;
+  class WorkerWrapper;
+  scoped_ptr<WorkerWrapper> wrapper_;
+  scoped_refptr<ThreadSafeSender> thread_safe_sender_;
+  scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_SERVICE_WORKER_EMBEDDED_WORKER_IMPL_H_