src/vs/workbench/api/browser/mainThreadWebviews.ts/MainThreadWebviews/$setOptions
class MainThreadWebviews:	public $setOptions(handle: extHostProtocol.WebviewHandle, options: extHostProtocol.IWebviewContentOptions): void {
		const webview = this.getWebview(handle);
		webview.contentOptions = reviveWebviewContentOptions(options);
	}