[ash-md] Animates a window closed while in overview mode

ash/wm/overview/window_selector_unittest.cc

Index: ash/wm/overview/window_selector_unittest.cc
diff --git a/ash/wm/overview/window_selector_unittest.cc b/ash/wm/overview/window_selector_unittest.cc
index 5ee355b212c3c8d0a96bc6d5e19bcf1527294c60..8dd106996388f4d77dcb80a4c5a808afb71a04f6 100644
--- a/ash/wm/overview/window_selector_unittest.cc
+++ b/ash/wm/overview/window_selector_unittest.cc
@@ -12,6 +12,7 @@
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/wm/mru_window_tracker.h"
+#include "ash/common/wm/overview/scoped_transform_overview_window.h"
 #include "ash/common/wm/overview/window_grid.h"
 #include "ash/common/wm/overview/window_selector.h"
 #include "ash/common/wm/overview/window_selector_controller.h"
@@ -122,6 +123,7 @@ class WindowSelectorTest
     shelf_view_test_.reset(new test::ShelfViewTestAPI(
         test::ShelfTestAPI(Shelf::ForPrimaryDisplay()).shelf_view()));
     shelf_view_test_->SetAnimationDuration(1);
+    ScopedTransformOverviewWindow::SetImmediateCloseForTests();

[tdanderson, 2016/06/28 15:28:02]

I will defer to Ben for any comments related to testing in this CL.

[varkha, 2016/06/28 23:50:37]

Acknowledged.

   }
 
   void TearDown() override {