Implement BluetoothDeviceBlueZ::GetServiceRecords.

device/bluetooth/bluez/bluetooth_service_record_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_SERVICE_RECORD_BLUEZ_H_
 #define DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_SERVICE_RECORD_BLUEZ_H_
 
 #include <cstdint>
 #include <map>
 #include <vector>
@@ skipping 14 matching lines @@
   // records.
   enum ErrorCode {
     ERROR_ADAPTER_NOT_READY,
     ERROR_RECORD_ALREADY_EXISTS,
     ERROR_RECORD_DOES_NOT_EXIST,
     ERROR_DEVICE_DISCONNECTED,
     ERROR_INVALID_ARGUMENTS,
     UNKNOWN
   };
 
-  explicit BluetoothServiceRecordBlueZ(
-      const std::map<uint16_t, BluetoothServiceAttributeValueBlueZ>&
-          attributes);
+  BluetoothServiceRecordBlueZ();

[Miao, 2016/06/30 04:55:58]

Can we also keep the constructor taking attributes as a batch? Since there is
case where a record has been constructed and will be translated into
BluetoothServiceRecordBlueZ. Instead of adding attributes one by one, placing
attributes all at once is more preferable.

[rkc, 2016/06/30 20:02:24]

Discussed offline.

   BluetoothServiceRecordBlueZ(const BluetoothServiceRecordBlueZ& record);
   ~BluetoothServiceRecordBlueZ();
 
   // Returns a list of Attribute IDs that exist within this service record.
   const std::vector<uint16_t> GetAttributeIds() const;
   // Returns the value associated with a given attribute ID in |value|.
   const BluetoothServiceAttributeValueBlueZ& GetAttributeValue(
       uint16_t attribute_id) const;
 
+  // Add an an entry to this service record. If a record with the given ID
+  // already exists, it is replaced.
+  void AddRecordEntry(uint16_t id,
+                      const BluetoothServiceAttributeValueBlueZ& value);
+
  private:
   std::map<uint16_t, BluetoothServiceAttributeValueBlueZ> attributes_;
 };
 
 }  // namespace bluez
 
 #endif  // DEVICE_BLUETOOTH_BLUEZ_BLUETOOTH_SERVICE_RECORD_BLUEZ_H_