WIP: A couple of more ChannelMojo speedup ideas

third_party/mojo/src/mojo/edk/system/incoming_endpoint.cc

Index: third_party/mojo/src/mojo/edk/system/incoming_endpoint.cc
diff --git a/third_party/mojo/src/mojo/edk/system/incoming_endpoint.cc b/third_party/mojo/src/mojo/edk/system/incoming_endpoint.cc
index 14f1a71816287e0a4e41dacece0838aac099b036..00ceee5cd858f96fa457d340ff3ae0ede7dd2fa0 100644
--- a/third_party/mojo/src/mojo/edk/system/incoming_endpoint.cc
+++ b/third_party/mojo/src/mojo/edk/system/incoming_endpoint.cc
@@ -38,13 +38,14 @@ void IncomingEndpoint::Close() {
   }
 }
 
-bool IncomingEndpoint::OnReadMessage(unsigned /*port*/,
-                                     MessageInTransit* message) {
+bool IncomingEndpoint::OnReadMessage(
+    unsigned /*port*/,
+    MessageInTransit::ReadContext& reading_message) {
   base::AutoLock locker(lock_);
   if (!endpoint_)
     return false;
 
-  message_queue_.AddMessage(make_scoped_ptr(message));
+  message_queue_.AddMessage(reading_message.PassMessage());
   return true;
 }