bluetooth: mac: add connected LE devices to chooser

device/bluetooth/bluetooth_adapter_mac.h

Index: device/bluetooth/bluetooth_adapter_mac.h
diff --git a/device/bluetooth/bluetooth_adapter_mac.h b/device/bluetooth/bluetooth_adapter_mac.h
index 6ef24f430cddb771ebd09743fbd78b822b416652..f47f217a6cde419fdd8f5e44a04638ef53e7c3ef 100644
--- a/device/bluetooth/bluetooth_adapter_mac.h
+++ b/device/bluetooth/bluetooth_adapter_mac.h
@@ -70,6 +70,7 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterMac
                        const base::Closure& callback,
                        const ErrorCallback& error_callback) override;
   bool IsDiscovering() const override;
+  void RetrieveUnknownGattConnectedDevices() override;
   UUIDList GetUUIDs() const override;
   void CreateRfcommService(
       const BluetoothUUID& uuid,
@@ -180,6 +181,10 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterMac
   BluetoothLowEnergyDeviceMac* GetBluetoothLowEnergyDeviceMac(
       CBPeripheral* peripheral);
 
+  // Returns true if a new device collide with an existing device.
+  bool DoesCollideWithKnownDevice(CBPeripheral* peripheral,
+                                  BluetoothLowEnergyDeviceMac* device_mac);
+
   std::string address_;
   std::string name_;
   bool classic_powered_;