Mojo: AsyncWaiter and mojo/public/environment

mojo/apps/js/bindings/waiting_callback.cc

Index: mojo/apps/js/bindings/waiting_callback.cc
diff --git a/mojo/apps/js/bindings/waiting_callback.cc b/mojo/apps/js/bindings/waiting_callback.cc
index 6769eb7e137cde497434b13c4b5eab31fc08103a..87c28bf3ba7c895261d7312b0364f6c0ef59df84 100644
--- a/mojo/apps/js/bindings/waiting_callback.cc
+++ b/mojo/apps/js/bindings/waiting_callback.cc
@@ -36,8 +36,13 @@ gin::Handle<WaitingCallback> WaitingCallback::Create(
   return gin::CreateHandle(isolate, new WaitingCallback(isolate, callback));
 }
 
+// static
+void WaitingCallback::CallOnHandleReady(void* closure, MojoResult result) {
+  static_cast<WaitingCallback*>(closure)->OnHandleReady(result);
+}
+
 void WaitingCallback::OnHandleReady(MojoResult result) {
-  wait_id_ = NULL;
+  wait_id_ = 0;
 
   if (!runner_)
     return;