Change scoped_ptr to a type alias for std::unique_ptr on OS_WIN

device/bluetooth/bluetooth_remote_gatt_service_win.cc

Index: device/bluetooth/bluetooth_remote_gatt_service_win.cc
diff --git a/device/bluetooth/bluetooth_remote_gatt_service_win.cc b/device/bluetooth/bluetooth_remote_gatt_service_win.cc
index 19064eb67da44106d74581c238c8aed0acd5f950..84127ed51a795d9ece41a595ef34c6156973fabf 100644
--- a/device/bluetooth/bluetooth_remote_gatt_service_win.cc
+++ b/device/bluetooth/bluetooth_remote_gatt_service_win.cc
@@ -250,6 +250,10 @@ void BluetoothRemoteGattServiceWin::RemoveIncludedCharacteristic(
 
 void BluetoothRemoteGattServiceWin::ClearIncludedCharacteristics() {
   discovery_completed_included_charateristics_.clear();
+  // Explicitly reset to null to ensure that calling GetCharacteristic() on the
+  // removed characteristic in GattDescriptorRemoved() returns null.
+  for (auto& entry : included_characteristics_)
+    entry.second.reset();
   included_characteristics_.clear();
 }