Revert "bluetooth: bluez: Fixed issue with missing notifications after reconnect."

device/bluetooth/bluez/bluetooth_device_bluez.cc

 // Copyright 2013 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/bluez/bluetooth_device_bluez.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 933 matching lines @@
 void BluetoothDeviceBlueZ::OnSetTrusted(bool success) {
   device_event_log::LogLevel log_level =
       success ? device_event_log::LOG_LEVEL_DEBUG
               : device_event_log::LOG_LEVEL_ERROR;
   DEVICE_LOG(device_event_log::LOG_TYPE_BLUETOOTH, log_level)
       << object_path_.value() << ": OnSetTrusted: " << success;
 }
 
 void BluetoothDeviceBlueZ::OnDisconnect(const base::Closure& callback) {
   BLUETOOTH_LOG(EVENT) << object_path_.value() << ": Disconnected";
-  // Do not notify about changed device since this is already done by
-  // the dbus::PropertySet and the property change callback for BlueZ.
-  DidDisconnectGatt(false /* notifyDeviceChanged */);
   callback.Run();
 }
 
 void BluetoothDeviceBlueZ::OnDisconnectError(
     const ErrorCallback& error_callback,
     const std::string& error_name,
     const std::string& error_message) {
   BLUETOOTH_LOG(ERROR) << object_path_.value()
                        << ": Failed to disconnect device: " << error_name
                        << ": " << error_message;
   error_callback.Run();
 }
 
 void BluetoothDeviceBlueZ::OnForgetError(const ErrorCallback& error_callback,
                                          const std::string& error_name,
                                          const std::string& error_message) {
   BLUETOOTH_LOG(ERROR) << object_path_.value()
                        << ": Failed to remove device: " << error_name << ": "
                        << error_message;
   error_callback.Run();
 }
 
 }  // namespace bluez