Enumerate Bluetooth LE services and expose them to chrome.bluetooth API.

device/bluetooth/bluetooth_task_manager_win.h

Index: device/bluetooth/bluetooth_task_manager_win.h
diff --git a/device/bluetooth/bluetooth_task_manager_win.h b/device/bluetooth/bluetooth_task_manager_win.h
index f2d389b430fadac4ace4aba77453d7583b584685..7f6c98878b8d5763eb7c4203ac29390d0a3da577 100644
--- a/device/bluetooth/bluetooth_task_manager_win.h
+++ b/device/bluetooth/bluetooth_task_manager_win.h
@@ -46,9 +46,12 @@ class BluetoothTaskManagerWin
   struct ServiceRecordState {
     ServiceRecordState();
     ~ServiceRecordState();
+    // Properties common to Bluetooth Radio and LE devices.
     std::string name;
-    std::string address;
+    // Properties specific to Bluetooth Radio devices.
     std::vector<uint8> sdp_bytes;
+    // Properties specific to Bluetooth LE devices.
+    BluetoothUUID gatt_uuid;
   };
 
   struct DeviceState {