StructTraits to map mus::mojom::Event to unique_ptr<ui::Event>

components/mus/public/cpp/tests/window_tree_client_private.h

Index: components/mus/public/cpp/tests/window_tree_client_private.h
diff --git a/components/mus/public/cpp/tests/window_tree_client_private.h b/components/mus/public/cpp/tests/window_tree_client_private.h
index fc76d86fda46031ff75ea3384925f504b8a1f6fb..81173a8b225e102b033ac47e04e4a9f8189e5fcb 100644
--- a/components/mus/public/cpp/tests/window_tree_client_private.h
+++ b/components/mus/public/cpp/tests/window_tree_client_private.h
@@ -7,6 +7,8 @@
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
 
 namespace ui {
@@ -34,7 +36,8 @@ class WindowTreeClientPrivate {
   void OnEmbed(mojom::WindowTree* window_tree);
 
   // Pretends that |event| has been received from the window server.
-  void CallOnWindowInputEvent(Window* window, const ui::Event& event);
+  void CallOnWindowInputEvent(Window* window,
+                              const std::unique_ptr<ui::Event>& event);
 
  private:
    WindowTreeClient* tree_client_impl_;