Reorganize event mojom files.

ui/views/mus/window_manager_connection.cc

Index: ui/views/mus/window_manager_connection.cc
diff --git a/ui/views/mus/window_manager_connection.cc b/ui/views/mus/window_manager_connection.cc
index 89c55177cd64604791177575965a678981a83b36..f824f55c718ad9059dbc8857a97cacd9a92ffd01 100644
--- a/ui/views/mus/window_manager_connection.cc
+++ b/ui/views/mus/window_manager_connection.cc
@@ -88,7 +88,7 @@ void WindowManagerConnection::AddPointerWatcher(PointerWatcher* watcher) {
     // TODO(jamescook): Extend event observers to handle multiple event types.
     mus::mojom::EventMatcherPtr matcher = mus::mojom::EventMatcher::New();
     matcher->type_matcher = mus::mojom::EventTypeMatcher::New();
-    matcher->type_matcher->type = mus::mojom::EventType::POINTER_DOWN;
+    matcher->type_matcher->type = ui::mojom::EventType::POINTER_DOWN;
     client_->SetEventObserver(std::move(matcher));
   }
 }