Remove service, add device, in BluetoothLocalGattService::Delegate

device/bluetooth/dbus/bluetooth_gatt_characteristic_delegate_wrapper.cc

 // Copyright 2016 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.
 
 #include "device/bluetooth/dbus/bluetooth_gatt_characteristic_delegate_wrapper.h"
 
 #include "device/bluetooth/bluez/bluetooth_local_gatt_characteristic_bluez.h"
 
 namespace bluez {
 
 BluetoothGattCharacteristicDelegateWrapper::
     BluetoothGattCharacteristicDelegateWrapper(
         BluetoothLocalGattServiceBlueZ* service,
         BluetoothLocalGattCharacteristicBlueZ* characteristic)
     : service_(service), characteristic_(characteristic) {}
 
 void BluetoothGattCharacteristicDelegateWrapper::GetValue(
     const device::BluetoothLocalGattService::Delegate::ValueCallback& callback,
     const device::BluetoothLocalGattService::Delegate::ErrorCallback&
         error_callback) {
   service_->GetDelegate()->OnCharacteristicReadRequest(
-      service_, characteristic_, 0, callback, error_callback);
+      nullptr, characteristic_, 0, callback, error_callback);
 }
 
 void BluetoothGattCharacteristicDelegateWrapper::SetValue(
     const std::vector<uint8_t>& value,
     const base::Closure& callback,
     const device::BluetoothLocalGattService::Delegate::ErrorCallback&
         error_callback) {
   service_->GetDelegate()->OnCharacteristicWriteRequest(
-      service_, characteristic_, value, 0, callback, error_callback);
+      nullptr, characteristic_, value, 0, callback, error_callback);
 }
 
 void BluetoothGattCharacteristicDelegateWrapper::StartNotifications() {
-  service_->GetDelegate()->OnNotificationsStart(service_, characteristic_);
+  service_->GetDelegate()->OnNotificationsStart(nullptr, characteristic_);
 }
 
 void BluetoothGattCharacteristicDelegateWrapper::StopNotifications() {
-  service_->GetDelegate()->OnNotificationsStop(service_, characteristic_);
+  service_->GetDelegate()->OnNotificationsStop(nullptr, characteristic_);
 }
 
 }  // namespace bluez