Complete //device/bt implementation for hosting local GATT attributes.

device/bluetooth/bluetooth_local_gatt_characteristic.h

Index: device/bluetooth/bluetooth_local_gatt_characteristic.h
diff --git a/device/bluetooth/bluetooth_local_gatt_characteristic.h b/device/bluetooth/bluetooth_local_gatt_characteristic.h
index f062452ef60371088d11c53c36414ec5ef48691f..9170d38ac8f319607929f10e47a61947f7dee3e7 100644
--- a/device/bluetooth/bluetooth_local_gatt_characteristic.h
+++ b/device/bluetooth/bluetooth_local_gatt_characteristic.h
@@ -42,9 +42,8 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothLocalGattCharacteristic
   // 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);