Revert of Implement BluetoothGattNotifySession::Stop on Android

device/bluetooth/bluetooth_gatt_notify_session.cc

 // 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.
 
 #include "device/bluetooth/bluetooth_gatt_notify_session.h"
 
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/logging.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "device/bluetooth/bluetooth_remote_gatt_characteristic.h"
-
 namespace device {
 
-BluetoothGattNotifySession::BluetoothGattNotifySession(
-    base::WeakPtr<BluetoothRemoteGattCharacteristic> characteristic)
-    : characteristic_(characteristic),
-      characteristic_id_(characteristic.get() ? characteristic->GetIdentifier()
-                                              : std::string()),
-      active_(true) {}
+BluetoothGattNotifySession::BluetoothGattNotifySession() {
+}
 
 BluetoothGattNotifySession::~BluetoothGattNotifySession() {
-  if (active_) {
-    Stop(base::Bind(&base::DoNothing));
-  }
-}
-
-std::string BluetoothGattNotifySession::GetCharacteristicIdentifier() const {
-  return characteristic_id_;
-}
-
-BluetoothRemoteGattCharacteristic*
-BluetoothGattNotifySession::GetCharacteristic() const {
-  return characteristic_.get();
-}
-
-bool BluetoothGattNotifySession::IsActive() {
-  return active_ && characteristic_ != nullptr &&
-         characteristic_->IsNotifying();
-}
-
-void BluetoothGattNotifySession::Stop(const base::Closure& callback) {
-  active_ = false;
-  if (characteristic_ != nullptr) {
-    characteristic_->StopNotifySession(this, callback);
-  } else {
-    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
-  }
 }
 
 }  // namespace device