src/vs/workbench/contrib/scm/browser/menus.ts/SCMTitleMenu/constructor
class SCMTitleMenu:	constructor(
		@IMenuService menuService: IMenuService,
		@IContextKeyService contextKeyService: IContextKeyService
	) {
		this.menu = menuService.createMenu(MenuId.SCMTitle, contextKeyService);
		this.disposables.add(this.menu);

		this.menu.onDidChange(this.updateTitleActions, this, this.disposables);
		this.updateTitleActions();
	}