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

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

Index: components/mus/public/cpp/tests/window_tree_client_private.cc
diff --git a/components/mus/public/cpp/tests/window_tree_client_private.cc b/components/mus/public/cpp/tests/window_tree_client_private.cc
index c5c6dfa44267c3c821a9d0cb8861d34646f37eae..f184a0d6119dd386eb8acf5e62ad2c524b21d941 100644
--- a/components/mus/public/cpp/tests/window_tree_client_private.cc
+++ b/components/mus/public/cpp/tests/window_tree_client_private.cc
@@ -37,11 +37,11 @@ void WindowTreeClientPrivate::OnEmbed(mojom::WindowTree* window_tree) {
 
 void WindowTreeClientPrivate::CallOnWindowInputEvent(
     Window* window,
-    const ui::Event& event) {
+    const std::unique_ptr<ui::Event>& event) {
   const uint32_t event_id = 0u;
   const uint32_t observer_id = 0u;
   tree_client_impl_->OnWindowInputEvent(event_id, window->server_id(),
-                                        mojom::Event::From(event), observer_id);
+                                        std::move(event), observer_id);

[sky, 2016/06/03 20:06:50]

Does this really work? If it does, doesn't that mean you're effectively taking
the pointer from a const object?

[Hadi, 2016/06/06 13:48:32]

My mistake. Fixed. (It worked, but I'm not sure why)

[Hadi, 2016/06/06 14:35:27]

Went back to using std::move() after using pass_by_value() as rockot@ suggested.

 }
 
 }  // namespace mus