Moving LatencyInfo into a separate component.

ui/events/mojo/traits_test_service.mojom

Index: ui/events/mojo/traits_test_service.mojom
diff --git a/ui/events/mojo/traits_test_service.mojom b/ui/events/mojo/traits_test_service.mojom
index 4968bf1cf0da4922b760a3b0a1c2cea457262a72..1df4cbecf80b5a5f41e9545cc4a35543c48cb55f 100644
--- a/ui/events/mojo/traits_test_service.mojom
+++ b/ui/events/mojo/traits_test_service.mojom
@@ -5,18 +5,8 @@
 module ui.mojom;
 
 import "ui/events/mojo/event.mojom";
-import "ui/events/mojo/latency_info.mojom";
 
 interface TraitsTestService {
   [Sync]
   EchoEvent(Event e) => (Event pass);
-
-  [Sync]
-  EchoLatencyComponent(LatencyComponent l) => (LatencyComponent pass);
-
-  [Sync]
-  EchoLatencyComponentId(LatencyComponentId l) => (LatencyComponentId pass);
-
-  [Sync]
-  EchoLatencyInfo(LatencyInfo l) => (LatencyInfo pass);
 };