src/vs/editor/browser/config/fontMeasurements.ts/FontMeasurementsImpl/restoreFontInfo
class FontMeasurementsImpl:	public restoreFontInfo(savedFontInfos: ISerializedFontInfo[]): void {
		// Take all the saved font info and insert them in the cache without the trusted flag.
		// The reason for this is that a font might have been installed on the OS in the meantime.
		for (const savedFontInfo of savedFontInfos) {
			if (savedFontInfo.version !== SERIALIZED_FONT_INFO_VERSION) {
				// cannot use older version
				continue;
			}
			const fontInfo = new FontInfo(savedFontInfo, false);
			this._writeToCache(fontInfo, fontInfo);
		}
	}