arc-bridge: Add IPC message definitions

chromeos/arc/bridge/common/arc_instance_messages.h

+// 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.
+
+// Messages sent from the ARC instance to the host
+// Multiply-included message file, hence no include guard.
+
+#include <stdint.h>

[hidehiko, 2015/10/28 16:47:31]

ditto.

[Luis Héctor Chávez, 2015/10/28 17:28:49]

Done.

+
+#include <string>
+#include <vector>

[hidehiko, 2015/10/28 16:47:31]

Ditto.

[Luis Héctor Chávez, 2015/10/28 17:28:49]

Done.

+
+#include "base/file_descriptor_posix.h"
+#include "ipc/ipc_message_macros.h"
+
+#define IPC_MESSAGE_START ArcInstanceMsgStart
+
+// Registers a virtual input device on the container side.
+// |name| is the device name, like "Chrome OS Keyboard".
+// |device_type| is the device type, like "keyboard".
+// The virtual device will be reading 'struct input_event's from |fd|.  The
+// ownership of |fd| will be transferred to the receiver, so the sender must
+// not close it.
+IPC_MESSAGE_CONTROL3(ArcInstanceMsg_RegisterInputDevice,
+                     std::string, /* name */
+                     std::string, /* device_type */
+                     base::FileDescriptor /* fd */)