bluetooth: Expose service data from BlueZ

device/bluetooth/dbus/bluetooth_device_client.h

Index: device/bluetooth/dbus/bluetooth_device_client.h
diff --git a/device/bluetooth/dbus/bluetooth_device_client.h b/device/bluetooth/dbus/bluetooth_device_client.h
index e53ff0b38bd3d736e9331ca22576c202f619d9df..52a48ed7cd60b785f3b2b46f4af71fa074bd03cd 100644
--- a/device/bluetooth/dbus/bluetooth_device_client.h
+++ b/device/bluetooth/dbus/bluetooth_device_client.h
@@ -8,6 +8,7 @@
 #include <stdint.h>
 
 #include <string>
+#include <unordered_map>
 #include <vector>
 
 #include "base/callback.h"
@@ -111,6 +112,10 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothDeviceClient : public BluezDBusClient {
     // 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);