src/vs/workbench/electron-sandbox/window.ts/NativeWindow/updateWindowZoomLevel
class NativeWindow:	private updateWindowZoomLevel(): void {
		const windowConfig = this.configurationService.getValue<IWindowsConfiguration>();

		let configuredZoomLevel = 0;
		if (windowConfig.window && typeof windowConfig.window.zoomLevel === 'number') {
			configuredZoomLevel = windowConfig.window.zoomLevel;

			// Leave early if the configured zoom level did not change (https://github.com/microsoft/vscode/issues/1536)
			if (this.previousConfiguredZoomLevel === configuredZoomLevel) {
				return;
			}

			this.previousConfiguredZoomLevel = configuredZoomLevel;
		}

		if (getZoomLevel() !== configuredZoomLevel) {
			applyZoom(configuredZoomLevel);
		}
	}