bluetooth: Add characteristic list to DeviceDetailsPage in internals page.

device/bluetooth/device.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_DEVICE_H_
 #define DEVICE_BLUETOOTH_DEVICE_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_gatt_connection.h"
+#include "device/bluetooth/bluetooth_remote_gatt_characteristic.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service.h"
 #include "device/bluetooth/public/interfaces/device.mojom.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace bluetooth {
 
 // Implementation of Mojo Device located in
 // device/bluetooth/public/interfaces/device.mojom.
 // It handles requests to interact with Bluetooth Device.
 // Uses the platform abstraction of device/bluetooth.
@@ skipping 16 matching lines @@
   // BluetoothAdapter::Observer overrides:
   void DeviceChanged(device::BluetoothAdapter* adapter,
                      device::BluetoothDevice* device) override;
   void GattServicesDiscovered(device::BluetoothAdapter* adapter,
                               device::BluetoothDevice* device) override;
 
   // mojom::Device overrides:
   void Disconnect() override;
   void GetInfo(const GetInfoCallback& callback) override;
   void GetServices(const GetServicesCallback& callback) override;
+  void GetCharacteristics(const std::string& service_id,
+                          const GetCharacteristicsCallback& callback) override;
 
  private:
   Device(scoped_refptr<device::BluetoothAdapter> adapter,
          std::unique_ptr<device::BluetoothGattConnection> connection);
 
   void GetServicesImpl(const GetServicesCallback& callback);
 
   mojom::ServiceInfoPtr ConstructServiceInfoStruct(
       const device::BluetoothRemoteGattService& service);
 
+  void GetCharacteristicsImpl(const std::string& service_id,
+                              const GetCharacteristicsCallback& callback);
+
   const std::string& GetAddress();
 
   // The current BluetoothAdapter.
   scoped_refptr<device::BluetoothAdapter> adapter_;
 
   // The GATT connection to this device.
   std::unique_ptr<device::BluetoothGattConnection> connection_;
 
   mojo::StrongBindingPtr<mojom::Device> binding_;
 
   // The services request queue which holds callbacks that are waiting for
   // services to be discovered for this device.
   std::vector<base::Closure> pending_services_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(Device);
 };
 
 }  // namespace bluetooth
 
 #endif  // DEVICE_BLUETOOTH_DEVICE_H_