Add MD ink drop ripple to shelf app items

ash/shelf/shelf_view_unittest.cc

Index: ash/shelf/shelf_view_unittest.cc
diff --git a/ash/shelf/shelf_view_unittest.cc b/ash/shelf/shelf_view_unittest.cc
index c5d1a86ce90a19b6b86dffdbea2e0862b289bc5e..01ed288d4fedf8df007e103af266e86b1ee21cb1 100644
--- a/ash/shelf/shelf_view_unittest.cc
+++ b/ash/shelf/shelf_view_unittest.cc
@@ -45,6 +45,7 @@
 #include "ui/events/event_utils.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/gfx/geometry/point.h"
+#include "ui/views/animation/test/ink_drop_host_view_test_api.h"
 #include "ui/views/bubble/bubble_frame_view.h"
 #include "ui/views/view_model.h"
 #include "ui/views/widget/widget.h"
@@ -468,7 +469,9 @@ class ShelfViewTest : public AshTestBase {
     ui::MouseEvent release_event(ui::ET_MOUSE_RELEASED, gfx::Point(),
                                  button->GetBoundsInScreen().origin(),
                                  ui::EventTimeForNow(), 0, 0);
-    test_api_->ButtonPressed(button, release_event);
+    test_api_->ButtonPressed(
+        button, release_event,
+        views::test::InkDropHostViewTestApi(button).ink_drop());
     shelf_view_->PointerReleasedOnButton(button, ShelfView::MOUSE, false);
   }
 
@@ -479,7 +482,9 @@ class ShelfViewTest : public AshTestBase {
                                  button->GetBoundsInScreen().origin(),
                                  ui::EventTimeForNow(), ui::EF_IS_DOUBLE_CLICK,
                                  0);
-    test_api_->ButtonPressed(button, release_event);
+    test_api_->ButtonPressed(
+        button, release_event,
+        views::test::InkDropHostViewTestApi(button).ink_drop());
     shelf_view_->PointerReleasedOnButton(button, ShelfView::MOUSE, false);
   }