Introduce ChannelMojo

ipc/ipc_channel_factory.h

+// Copyright 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 IPC_IPC_CHANNEL_FACTORY_H_
+#define IPC_IPC_CHANNEL_FACTORY_H_
+
+#include <string>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "ipc/ipc_channel.h"
+
+namespace IPC {
+
+// Encapsulates how a Channel is created. A ChannelFactory can be
+// passed to the constructor of ChannelProxy or SyncChannel to tell them
+// how to create underlying channel.
+class ChannelFactory {
+ public:
+  // Creates a factory for "native" channel built through
+  // IPC::Channel::Create().
+  static scoped_ptr<ChannelFactory> Create(
+      const ChannelHandle& handle, Channel::Mode mode);
+
+  virtual ~ChannelFactory() { }
+  virtual std::string GetName() const = 0;
+  virtual scoped_ptr<Channel> BuildChannel(Listener* listener) = 0;
+};
+
+}  // namespace IPC
+
+#endif  // IPC_IPC_CHANNEL_FACTORY_H_