src/vs/editor/browser/widget/diffEditorWidget.ts/DiffEditorWidgetInline/constructor
class DiffEditorWidgetInline:	constructor(dataSource: IDataSource, enableSplitViewResizing: boolean) {
		super(dataSource);

		this._decorationsLeft = dataSource.getOriginalEditor().getLayoutInfo().decorationsLeft;

		this._register(dataSource.getOriginalEditor().onDidLayoutChange((layoutInfo: EditorLayoutInfo) => {
			if (this._decorationsLeft !== layoutInfo.decorationsLeft) {
				this._decorationsLeft = layoutInfo.decorationsLeft;
				dataSource.relayoutEditors();
			}
		}));
	}