src/vs/workbench/contrib/webviewPanel/browser/webviewEditor.ts/WebviewEditor/synchronizeWebviewContainerDimensions
class WebviewEditor:	private synchronizeWebviewContainerDimensions(webview: IOverlayWebview, dimension?: DOM.Dimension) {
		if (this._element) {
			webview.layoutWebviewOverElement(this._element.parentElement!, dimension);
		}
	}