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_BLUETOOTH_GATT_CHARACTERISTIC_BLUEZ_H_
-#define DEVICE_BLUETOOTH_BLUETOOTH_GATT_CHARACTERISTIC_BLUEZ_H_
+#ifndef DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_GATT_CHARACTERISTIC_BLUEZ_H_
+#define DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_GATT_CHARACTERISTIC_BLUEZ_H_
 
-#include <map>
 #include <string>
-#include <vector>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "dbus/object_path.h"
 #include "device/bluetooth/bluetooth_gatt_characteristic.h"
 
-namespace device {
-
-class BluetoothGattDescriptor;
-class BluetoothGattService;
-
-}  // namespace device
-
 namespace bluez {
 
-class BluetoothGattDescriptorBlueZ;
-class BluetoothGattServiceBlueZ;
-
 // The BluetoothGattCharacteristicBlueZ class implements
-// BluetoothGattCharacteristic for GATT characteristics for platforms
+// BluetoothRemoteGattCharacteristic for GATT characteristics for platforms
 // that use BlueZ.
 class BluetoothGattCharacteristicBlueZ
-    : public device::BluetoothGattCharacteristic {
+    : public virtual device::BluetoothGattCharacteristic {
  public:
   // device::BluetoothGattCharacteristic overrides.
   std::string GetIdentifier() const override;
-  device::BluetoothGattService* GetService() const override;
-  Permissions GetPermissions() const override;
-  std::vector<device::BluetoothGattDescriptor*> GetDescriptors() const override;
-  device::BluetoothGattDescriptor* GetDescriptor(
-      const std::string& identifier) const override;
 
   // Object path of the underlying D-Bus characteristic.
   const dbus::ObjectPath& object_path() const { return object_path_; }
 
  protected:
-  BluetoothGattCharacteristicBlueZ(BluetoothGattServiceBlueZ* service,
-                                   const dbus::ObjectPath& object_path);
+  explicit BluetoothGattCharacteristicBlueZ(
+      const dbus::ObjectPath& object_path);
   ~BluetoothGattCharacteristicBlueZ() override;
 
-  // Does not take ownership of the descriptor object.
-  using DescriptorMap =
-      std::map<dbus::ObjectPath, BluetoothGattDescriptorBlueZ*>;
-
-  // Mapping from GATT descriptor object paths to descriptor objects owned by
-  // this characteristic. Since the BlueZ implementation uses object paths
-  // as unique identifiers, we also use this mapping to return descriptors by
-  // identifier.
-  DescriptorMap descriptors_;
-
-  // The GATT service this GATT characteristic belongs to.
-  BluetoothGattServiceBlueZ* service_;
-
  private:
-  friend class BluetoothRemoteGattServiceBlueZ;
-
   // 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_BLUETOOTH_GATT_CHARACTERISTIC_BLUEZ_H_
+#endif  // DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_GATT_CHARACTERISTIC_BLUEZ_H_