Add an unconditional version of DispatcherAddAwakable(): AddAwakableUnconditional().

mojo/edk/system/data_pipe_consumer_dispatcher.cc

Index: mojo/edk/system/data_pipe_consumer_dispatcher.cc
diff --git a/mojo/edk/system/data_pipe_consumer_dispatcher.cc b/mojo/edk/system/data_pipe_consumer_dispatcher.cc
index 1d16f1c7b8c65c5331323e052ce53df37c1cc2b8..f9c8dc1b016be91a0d7e8ad03a4a0d15c4d440b9 100644
--- a/mojo/edk/system/data_pipe_consumer_dispatcher.cc
+++ b/mojo/edk/system/data_pipe_consumer_dispatcher.cc
@@ -195,10 +195,11 @@ HandleSignalsState DataPipeConsumerDispatcher::GetHandleSignalsStateImplNoLock()
 MojoResult DataPipeConsumerDispatcher::AddAwakableImplNoLock(
     Awakable* awakable,
     MojoHandleSignals signals,
+    bool force,
     uint64_t context,
     HandleSignalsState* signals_state) {
   mutex().AssertHeld();
-  return data_pipe_->ConsumerAddAwakable(awakable, signals, context,
+  return data_pipe_->ConsumerAddAwakable(awakable, signals, force, context,
                                          signals_state);
 }