remove childrenInline & setChildrenInline

sky/tests/resources/event-sender.sky

 <import src="/mojo/services/public/interfaces/input_events/input_event_constants.mojom.sky" as="constants" />
 <import src="/mojo/services/public/interfaces/input_events/input_events.mojom.sky" as="events" />
 <import src="/mojo/services/public/interfaces/input_events/input_key_codes.mojom.sky" as="codes" />
 <import src="/sky/framework/shell.sky" as="shell" />
 <import src="/sky/services/testing/test_harness.mojom.sky" as="harness" />
 <script>
 var harness = shell.connectToService("mojo:sky_tester", harness.TestHarness);
 
 var isDone = false;
 var keyPressesRemaining = 0;
@@ skipping 44 matching lines @@
   isDone = true;
   checkComplete();
 }
 
 function checkComplete() {
   if (!isDone)
     return;
   if (keyPressesRemaining != 0)
     return;
   setTimeout(function() {
-    internals.notifyTestComplete(internals.contentAsText());
+    internals.notifyTestCompleteinternals.notifyTestComplete(internals.contentAsText());
   });
 }
 
 document.addEventListener('keypress', function() {
   --keyPressesRemaining;
   checkComplete();
 });
 
 module.exports = {
   keyDown: keyDown,
   done: done,
 };
 </script>
 </sky>