Add MD ink drop ripple to shelf app items

ash/test/shelf_view_test_api.cc

Index: ash/test/shelf_view_test_api.cc
diff --git a/ash/test/shelf_view_test_api.cc b/ash/test/shelf_view_test_api.cc
index f8c0754c2aa9ae0cd6d4c2d976af25c9737a60f1..c5397b7eda020e92b509719a0189a13287468697 100644
--- a/ash/test/shelf_view_test_api.cc
+++ b/ash/test/shelf_view_test_api.cc
@@ -119,8 +119,9 @@ int ShelfViewTestAPI::GetButtonSpacing() {
 }
 
 void ShelfViewTestAPI::ButtonPressed(views::Button* sender,
-                                     const ui::Event& event) {
-  return shelf_view_->ButtonPressed(sender, event);
+                                     const ui::Event& event,
+                                     views::InkDrop* ink_drop) {
+  return shelf_view_->ButtonPressed(sender, event, ink_drop);
 }
 
 bool ShelfViewTestAPI::SameDragType(ShelfItemType typea,