@Inject
public TargetContentsView(
Provider<ValidationMessagePanelView> validationMessagePanelViewProvider,
EventBus eventBus) {
this.eventBus = eventBus;
buttons = new EditorButtonsWidget();
validationPanel = validationMessagePanelViewProvider.get();
rootPanel = binder.createAndBindUi(this);
editorGrid.ensureDebugId("target-contents-grid");
editors = Lists.newArrayList();
}