Refactor device::BluetoothGattXXX classes to split into remote/local.

device/bluetooth/bluez/bluetooth_gatt_characteristic_bluez.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_BLUEZ_BLUETOOTH_GATT_CHARACTERISTIC_BLUEZ_H_
+#define DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_GATT_CHARACTERISTIC_BLUEZ_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_gatt_characteristic.h"
+
+namespace bluez {
+
+// The BluetoothGattCharacteristicBlueZ class implements
+// BluetoothRemoteGattCharacteristic for GATT characteristics for platforms
+// that use BlueZ.
+class BluetoothGattCharacteristicBlueZ
+    : public virtual device::BluetoothGattCharacteristic {
+ public:
+  // device::BluetoothGattCharacteristic overrides.
+  std::string GetIdentifier() const override;
+
+  // Object path of the underlying D-Bus characteristic.
+  const dbus::ObjectPath& object_path() const { return object_path_; }
+
+ protected:
+  explicit BluetoothGattCharacteristicBlueZ(
+      const dbus::ObjectPath& object_path);
+  ~BluetoothGattCharacteristicBlueZ() override;
+
+ private:
+  // Object path of the D-Bus characteristic object.
+  dbus::ObjectPath object_path_;
+
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<BluetoothGattCharacteristicBlueZ> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothGattCharacteristicBlueZ);
+};
+
+}  // namespace bluez
+
+#endif  // DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_GATT_CHARACTERISTIC_BLUEZ_H_