Prototype: Use Chromium IPC for plugin LOAD_MODULE.

components/nacl/renderer/trusted_plugin_channel.h

+// Copyright (c) 2014 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 COMPONENTS_NACL_RENDERER_TRUSTED_PLUGIN_CHANNEL_H_
+#define COMPONENTS_NACL_RENDERER_TRUSTED_PLUGIN_CHANNEL_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "base/synchronization/waitable_event.h"
+#include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_listener.h"
+#include "ipc/ipc_sync_channel.h"
+#include "ppapi/c/pp_completion_callback.h"
+
+namespace nacl {
+
+class TrustedPluginChannel : public IPC::Listener {
+ public:
+  TrustedPluginChannel(const IPC::ChannelHandle& handle,
+                       PP_CompletionCallback connected_callback);
+
+  bool Send(IPC::Message* message);
+
+  // Listener implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+  virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
+  virtual void OnChannelError() OVERRIDE;
+
+ private:
+  scoped_ptr<IPC::SyncChannel> channel_;
+  PP_CompletionCallback connected_callback_;
+  base::WaitableEvent shutdown_event_;
+};
+
+}  // namespace nacl
+
+#endif  // COMPONENTS_NACL_RENDERER_TRUSTED_PLUGIN_CHANNEL_H_