Do not give instant focus if a view's toplevelwidget is not active

ash/common/system/tray/tray_details_view_unittest.cc

Index: ash/common/system/tray/tray_details_view_unittest.cc
diff --git a/ash/common/system/tray/tray_details_view_unittest.cc b/ash/common/system/tray/tray_details_view_unittest.cc
index c5ea6a601b27733e6861a78e1344a7cdb04088c8..86b6251a0b2b9ce74aa5d43fac94a2274df982dc 100644
--- a/ash/common/system/tray/tray_details_view_unittest.cc
+++ b/ash/common/system/tray/tray_details_view_unittest.cc
@@ -171,6 +171,7 @@ TEST_F(TrayDetailsViewTest, TransitionToDefaultViewTest) {
 
   // Transition back to default view, the default view of item 2 should have
   // focus.
+  tray->GetSystemBubble()->bubble_view()->set_can_activate(true);
   if (MaterialDesignController::IsSystemTrayMenuMaterial())
     FocusBackButton(test_item_2->detailed_view());
   else