src/vs/editor/common/viewModel/viewContext.ts/ViewContext/constructor
class ViewContext:	constructor(
		configuration: IEditorConfiguration,
		theme: IColorTheme,
		model: IViewModel
	) {
		this.configuration = configuration;
		this.theme = new EditorTheme(theme);
		this.viewModel = model;
		this.viewLayout = model.viewLayout;
	}