src/vs/workbench/contrib/scm/browser/scmViewPane.ts/SCMViewPane/updateIndentStyles
class SCMViewPane:	private updateIndentStyles(theme: IFileIconTheme): void {
		this.listContainer.classList.toggle('list-view-mode', this._viewModel.mode === ViewModelMode.List);
		this.listContainer.classList.toggle('tree-view-mode', this._viewModel.mode === ViewModelMode.Tree);
		this.listContainer.classList.toggle('align-icons-and-twisties', (this._viewModel.mode === ViewModelMode.List && theme.hasFileIcons) || (theme.hasFileIcons && !theme.hasFolderIcons));
		this.listContainer.classList.toggle('hide-arrows', this._viewModel.mode === ViewModelMode.Tree && theme.hidesExplorerArrows === true);
	}