src/vs/workbench/browser/workbench.ts/Workbench/storeFontInfo
class Workbench:	private storeFontInfo(storageService: IStorageService): void {
		const serializedFontInfo = FontMeasurements.serializeFontInfo();
		if (serializedFontInfo) {
			storageService.store('editorFontInfo', JSON.stringify(serializedFontInfo), StorageScope.GLOBAL, StorageTarget.MACHINE);
		}
	}