bluetooth: Add disconnect function

content/common/bluetooth/bluetooth_messages.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.
 
 // Messages for Web Bluetooth API.
 // Multiply-included message file, hence no include guard.
 
 // Web Bluetooth Security
 // The security mechanisms of Bluetooth are described in the specification:
 // https://webbluetoothchrome.github.io/web-bluetooth
@@ skipping 214 matching lines @@
                      std::vector<content::BluetoothScanFilter>,
                      std::vector<device::BluetoothUUID> /* optional_services */)
 
 // Connects to a bluetooth device.
 IPC_MESSAGE_CONTROL4(BluetoothHostMsg_ConnectGATT,
                      int /* thread_id */,
                      int /* request_id */,
                      int /* frame_routing_id */,
                      std::string /* device_id */)
 
+// Disconnect from a device.
+IPC_MESSAGE_CONTROL3(BluetoothHostMsg_Disconnect,
+                     int /* thread_id */,
+                     int /* frame_routing_id */,
+                     std::string /* device_id */)
+
 // Gets primary service from bluetooth device.
 IPC_MESSAGE_CONTROL5(BluetoothHostMsg_GetPrimaryService,
                      int /* thread_id */,
                      int /* request_id */,
                      int /* frame_routing_id */,
                      std::string /* device_id */,
                      std::string /* service_uuid */)
 
 // Gets a GATT Characteristic within a GATT Service.
 IPC_MESSAGE_CONTROL5(BluetoothHostMsg_GetCharacteristic,
@@ skipping 36 matching lines @@
 IPC_MESSAGE_CONTROL3(BluetoothHostMsg_RegisterCharacteristic,
                      int /* thread_id */,
                      int /* frame_routing_id */,
                      std::string /* characteristics_instance_id */)
 
 // Unregister from characteristic value changed events.
 IPC_MESSAGE_CONTROL3(BluetoothHostMsg_UnregisterCharacteristic,
                      int /* thread_id */,
                      int /* frame_routing_id */,
                      std::string /* characteristics_instance_id */)