[Views] Update ink drop for omnibox icons

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 68d28cbb3f33d6f0d067fc4fa5a167b0a176670b..e6e786d6d39c0a6e15af41254f89b97d661d4c25 100644
--- a/ash/shelf/shelf_view_unittest.cc
+++ b/ash/shelf/shelf_view_unittest.cc
@@ -1967,6 +1967,10 @@ class InkDropSpy : public views::InkDrop {
     ink_drop_->SetFocused(is_focused);
   }
 
+  bool IsHighlightFadingInOrVisible() const override {
+    return ink_drop_->IsHighlightFadingInOrVisible();
+  }
+
   std::unique_ptr<views::InkDrop> ink_drop_;
   std::vector<views::InkDropState> requested_states_;