Update mojo sdk to rev f68e697e389943cd9bf9652397312280e96b127a

third_party/mojo/src/mojo/edk/system/data_pipe_producer_dispatcher.h

Index: third_party/mojo/src/mojo/edk/system/data_pipe_producer_dispatcher.h
diff --git a/third_party/mojo/src/mojo/edk/system/data_pipe_producer_dispatcher.h b/third_party/mojo/src/mojo/edk/system/data_pipe_producer_dispatcher.h
index e3a00d25dd8c312a95762db31813c8c0c9e8dd8e..0a563d741eb2da26043e493f7bf91420ec0bd7e7 100644
--- a/third_party/mojo/src/mojo/edk/system/data_pipe_producer_dispatcher.h
+++ b/third_party/mojo/src/mojo/edk/system/data_pipe_producer_dispatcher.h
@@ -28,6 +28,14 @@ class MOJO_SYSTEM_IMPL_EXPORT DataPipeProducerDispatcher : public Dispatcher {
   // |Dispatcher| public methods:
   Type GetType() const override;
 
+  // The "opposite" of |SerializeAndClose()|. (Typically this is called by
+  // |Dispatcher::Deserialize()|.)
+  static scoped_refptr<DataPipeProducerDispatcher>
+  Deserialize(Channel* channel, const void* source, size_t size);
+
+  // Get access to the |DataPipe| for testing.
+  DataPipe* GetDataPipeForTest() { return data_pipe_.get(); }
+
  private:
   ~DataPipeProducerDispatcher() override;