recordFrameTimings method
Feeds a batch of engine-reported timings, in the same shape
SchedulerBinding.addTimingsCallback delivers them.
Implementation
void recordFrameTimings(List<ui.FrameTiming> timings) {
for (final timing in timings) {
_push(_build, timing.buildDuration);
_push(_raster, timing.rasterDuration);
_push(_total, timing.totalSpan);
}
}