Converted Observatory logging-page element

runtime/observatory/tests/observatory_ui/mocks/repositories/event.dart

Index: runtime/observatory/tests/observatory_ui/mocks/repositories/event.dart
diff --git a/runtime/observatory/tests/observatory_ui/mocks/repositories/event.dart b/runtime/observatory/tests/observatory_ui/mocks/repositories/event.dart
index 77487864ce34fb7e569550d1b70ae68b6a5bbcc3..9afdd90fe8fd2be2b4414de1cb5782dc83f7f108 100644
--- a/runtime/observatory/tests/observatory_ui/mocks/repositories/event.dart
+++ b/runtime/observatory/tests/observatory_ui/mocks/repositories/event.dart
@@ -103,6 +103,10 @@ class EventRepositoryMock implements M.EventRepository {
   get onGCEvent => _onGCEvent.stream;
   get onGCEventHasListener => _onGCEvent.hasListener;
 
+  final _onLoggingEvent = new StreamController<M.LoggingEvent>.broadcast();
+  get onLoggingEvent => _onLoggingEvent.stream;
+  get onLoggingEventHasListener => _onLoggingEvent.hasListener;
+
   final _onExtensionEvent = new StreamController<M.ExtensionEvent>.broadcast();
   get onExtensionEvent => _onExtensionEvent.stream;
   get onExtensionEventHasListener => _onExtensionEvent.hasListener;