Fix bug where hover cards were showing when exiting the tab during the delay...

Fix bug where hover cards were showing when exiting the tab during the delay before showing a hover card.

Bug: 910739
Change-Id: Ia86099879e19fc1d43a4b3527c9b3cc2f63d872b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1617083Reviewed-by: Dana Fried <dfried@chromium.org>
Commit-Queue: Caroline Rising <corising@chromium.org>
Cr-Commit-Position: refs/heads/master@{#660936}

chrome/browser/ui/views/tabs/tab_hover_card_bubble_view.cc

@@ -379,10 +379,10 @@ void TabHoverCardBubbleView::UpdateAndShow(Tab* tab) {
 }
 
 void TabHoverCardBubbleView::FadeOutToHide() {
+  delayed_show_timer_.Stop();
   if (!widget_->IsVisible())
     return;
   slide_animation_delegate_->StopAnimation();
-  delayed_show_timer_.Stop();
   last_visible_timestamp_ = base::TimeTicks::Now();
   if (disable_animations_for_testing_) {
     widget_->Hide();