Don't close reopen tab promo bubble on deactivation

Fixes promo display on Windows, where promo bubble is activated then
immediately deactivated when opening a new tab.

Change-Id: Icc764660b5a4840edf7e345fdd460126cc1c1600
Reviewed-on: https://chromium-review.googlesource.com/c/1344869Reviewed-by: Peter Boström <pbos@chromium.org>
Commit-Queue: Collin Baker <collinbaker@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610144}

chrome/browser/ui/views/feature_promos/reopen_tab_promo_controller.cc

@@ -38,6 +38,7 @@ void ReopenTabPromoController::ShowPromo() {
   promo_bubble_ = FeaturePromoBubbleView::CreateOwned(
       app_menu_button, views::BubbleBorder::Arrow::TOP_RIGHT,
       IDS_REOPEN_TAB_PROMO, FeaturePromoBubbleView::ActivationAction::ACTIVATE);
+  promo_bubble_->set_close_on_deactivate(false);
   promo_bubble_->GetWidget()->AddObserver(this);
 }