Bluetooth class changes for implementing local GATT attributes.

device/bluetooth/bluetooth_local_gatt_characteristic.h

 // 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.
 
 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_LOCAL_GATT_CHARACTERISTIC_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_LOCAL_GATT_CHARACTERISTIC_H_
 
 #include <stdint.h>
 #include <vector>
 
@@ skipping 24 matching lines @@
   // This method constructs a characteristic with UUID |uuid|, initial cached
   // value |value|, properties |properties|, and permissions |permissions|.
   // |value| will be cached and returned for read requests and automatically set
   // for write requests by default, unless an instance of
   // BluetoothRemoteGattService::Delegate has been provided to the associated
   // BluetoothRemoteGattService instance, in which case the delegate will handle
   // read and write requests. The service instance will contain this
   // characteristic.
   // TODO(rkc): Investigate how to handle |PROPERTY_EXTENDED_PROPERTIES|
   // correctly.
-  static BluetoothLocalGattCharacteristic* Create(
+  static base::WeakPtr<BluetoothLocalGattCharacteristic> Create(
       const BluetoothUUID& uuid,
-      const std::vector<uint8_t>& value,
       Properties properties,
       Permissions permissions,
       BluetoothLocalGattService* service);
 
  protected:
   BluetoothLocalGattCharacteristic();
   ~BluetoothLocalGattCharacteristic() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BluetoothLocalGattCharacteristic);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOCAL_GATT_CHARACTERISTIC_H_