base::unique_fd HwcCallback::OnNewFrame(const ComposerView::Frame& display_frame) {
auto& frame = display_frame.layers;
std::vector<HwcLayer> hwc_frame(frame.size());
+
for (size_t i = 0; i < frame.size(); ++i) {
hwc_frame[i] = HwcLayer{
.fence = frame[i].fence,