src/vs/editor/browser/widget/diffEditorWidget.ts/DiffEditorWidgetSideBySide/_getViewZones
class DiffEditorWidgetSideBySide:	protected _getViewZones(lineChanges: ILineChange[], originalForeignVZ: IEditorWhitespace[], modifiedForeignVZ: IEditorWhitespace[]): IEditorsZones {
		const originalEditor = this._dataSource.getOriginalEditor();
		const modifiedEditor = this._dataSource.getModifiedEditor();
		const c = new SideBySideViewZonesComputer(lineChanges, originalForeignVZ, modifiedForeignVZ, originalEditor, modifiedEditor);
		return c.getViewZones();
	}