src/vs/workbench/browser/parts/editor/tabsTitleControl.ts/TabsTitleControl/updateEditorLabel
class TabsTitleControl:	updateEditorLabel(editor: EditorInput): void {

		// Update all labels to account for changes to tab labels
		// Since this method may be called a lot of times from
		// individual editors, we collect all those requests and
		// then run the update once because we have to update
		// all opened tabs in the group at once.
		this.updateEditorLabelScheduler.schedule();
	}