device/bluetooth: split out transport enum

device/bluetooth/bluetooth_adapter.cc

Index: device/bluetooth/bluetooth_adapter.cc
diff --git a/device/bluetooth/bluetooth_adapter.cc b/device/bluetooth/bluetooth_adapter.cc
index 09127f981cb48ec266570c74a803285da6f33141..79a865d1c388cf3872d94f4cfe937f793dbccf9b 100644
--- a/device/bluetooth/bluetooth_adapter.cc
+++ b/device/bluetooth/bluetooth_adapter.cc
@@ -17,6 +17,7 @@
 #include "device/bluetooth/bluetooth_remote_gatt_characteristic.h"
 #include "device/bluetooth/bluetooth_remote_gatt_descriptor.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service.h"
+#include "device/bluetooth/bluetooth_types.h"
 
 namespace device {
 
@@ -352,8 +353,8 @@ BluetoothAdapter::GetMergedDiscoveryFilterHelper(
     if (first_merge) {
       first_merge = false;
       if (curr_filter) {
-        result.reset(new BluetoothDiscoveryFilter(
-            BluetoothDiscoveryFilter::Transport::TRANSPORT_DUAL));
+        result.reset(
+            new BluetoothDiscoveryFilter(BluetoothTransport::TRANSPORT_DUAL));
         result->CopyFrom(*curr_filter);
       }
       continue;