src/vs/code/electron-sandbox/processExplorer/processExplorerMain.ts/createCodiconStyleSheet
function createCodiconStyleSheet() {
	const codiconStyleSheet = createStyleSheet();
	codiconStyleSheet.id = 'codiconStyles';

	const iconsStyleSheet = getIconsStyleSheet(undefined);
	function updateAll() {
		codiconStyleSheet.textContent = iconsStyleSheet.getCSS();
	}

	const delayer = new RunOnceScheduler(updateAll, 0);
	iconsStyleSheet.onDidChange(() => delayer.schedule());
	delayer.schedule();
}