bluetooth: Expose service data from BlueZ

device/bluetooth/dbus/bluetooth_device_client.h

 // Copyright 2013 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_DBUS_BLUETOOTH_DEVICE_CLIENT_H_
 #define DEVICE_BLUETOOTH_DBUS_BLUETOOTH_DEVICE_CLIENT_H_
 
 #include <stdint.h>
 
 #include <string>
+#include <unordered_map>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "base/values.h"
 #include "dbus/object_path.h"
 #include "dbus/property.h"
 #include "device/bluetooth/bluetooth_export.h"
 #include "device/bluetooth/bluez/bluetooth_service_record_bluez.h"
@@ skipping 83 matching lines @@
     // Remote Device ID information in Linux kernel modalias format. Read-only.
     dbus::Property<std::string> modalias;
 
     // Received signal strength indicator that is set when the device is
     // discovered during inquiry. Read-only.
     dbus::Property<int16_t> rssi;
 
     // Indicate whether or not service discovery has been resolved. Read-only.
     dbus::Property<bool> services_resolved;
 
+    // List of Service data. Read-only.

[ortuno, 2016/10/05 06:27:10]

nit: just copy the description from the bluez docs:

Service advertisement data. Keys are the UUIDs in string format followed by its
byte array value.

[puthik_chromium, 2016/10/06 01:49:56]

Done.

+    dbus::Property<std::unordered_map<std::string, std::vector<uint8_t>>>
+        service_data;
+
     Properties(dbus::ObjectProxy* object_proxy,
                const std::string& interface_name,
                const PropertyChangedCallback& callback);
     ~Properties() override;
   };
 
   // Interface for observing changes from a remote bluetooth device.
   class Observer {
    public:
     virtual ~Observer() {}
@@ skipping 101 matching lines @@
  protected:
   BluetoothDeviceClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BluetoothDeviceClient);
 };
 
 }  // namespace bluez
 
 #endif  // DEVICE_BLUETOOTH_DBUS_BLUETOOTH_DEVICE_CLIENT_H_