bluetooth: Update BluetoothGATTCharacteristic.value on writeValue

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 161 matching lines @@
                      std::vector<uint8_t> /* value */)
 
 // Informs the renderer that an error occurred while reading the value.
 IPC_MESSAGE_CONTROL3(BluetoothMsg_ReadCharacteristicValueError,
                      int /* thread_id */,
                      int /* request_id */,
                      blink::WebBluetoothError /* result */)
 
 // Informs the renderer that the value has been successfully written to
 // the characteristic.
-IPC_MESSAGE_CONTROL2(BluetoothMsg_WriteCharacteristicValueSuccess,
+IPC_MESSAGE_CONTROL3(BluetoothMsg_WriteCharacteristicValueSuccess,
                      int /* thread_id */,
-                     int /* request_id */)
+                     int /* request_id */,
+                     std::vector<uint8_t> /* value */)
 
 // Informs the renderer that an error occurred while writing a value to a
 // characteristic.
 IPC_MESSAGE_CONTROL3(BluetoothMsg_WriteCharacteristicValueError,
                      int /* thread_id */,
                      int /* request_id */,
                      blink::WebBluetoothError /* result */)
 
 // Informs the renderer that the user has successfully subscribed to
 // notifications from the device.
@@ skipping 77 matching lines @@
 
 // Register to receive characteristic value changed events.
 IPC_MESSAGE_CONTROL2(BluetoothHostMsg_RegisterCharacteristic,
                      int /* thread_id */,
                      std::string /* characteristics_instance_id */)
 
 // Unregister from characteristic value changed events.
 IPC_MESSAGE_CONTROL2(BluetoothHostMsg_UnregisterCharacteristic,
                      int /* thread_id */,
                      std::string /* characteristics_instance_id */)