Add haptic feedback for selection change and action trigger.

ios/chrome/browser/ui/overscroll_actions/overscroll_actions_view.h

Index: ios/chrome/browser/ui/overscroll_actions/overscroll_actions_view.h
diff --git a/ios/chrome/browser/ui/overscroll_actions/overscroll_actions_view.h b/ios/chrome/browser/ui/overscroll_actions/overscroll_actions_view.h
index a8f2e6fa62e21ede244c7342a0fd7bd2aca4151a..fe5e8c0b65c2c9587d5fb7a26cf56f67c1dab8c6 100644
--- a/ios/chrome/browser/ui/overscroll_actions/overscroll_actions_view.h
+++ b/ios/chrome/browser/ui/overscroll_actions/overscroll_actions_view.h
@@ -27,9 +27,16 @@ enum class OverscrollStyle {
 
 @protocol OverscrollActionsViewDelegate
 
+// Called when the user explicitly taps on one of the items to trigger its
+// action.
 - (void)overscrollActionsViewDidTapTriggerAction:
     (OverscrollActionsView*)overscrollActionsView;
 
+// Called after the selectedAction property changed and the animations have
+// been triggered.
+- (void)overscrollActionsView:(OverscrollActionsView*)view
+      selectedActionDidChange:(OverscrollAction)newAction;
+
 @end
 
 // This view displays the actions of the OverscrollActionsController.