Add Mojo{Set,Get}DataPipeConsumerOptions() to the standard/native system thunks.

mojo/edk/embedder/entrypoints.cc

Index: mojo/edk/embedder/entrypoints.cc
diff --git a/mojo/edk/embedder/entrypoints.cc b/mojo/edk/embedder/entrypoints.cc
index 7ee0c9e53f9fcf6fe843ac688eca6ec92bd7a45a..875f1cfecc61ca2a0f02f2c85554e4558509af09 100644
--- a/mojo/edk/embedder/entrypoints.cc
+++ b/mojo/edk/embedder/entrypoints.cc
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// This file contains the definitions of the system functions, which are
+// declared in various header files in mojo/public/c/system.
+
 #include "mojo/edk/embedder/embedder_internal.h"
 #include "mojo/edk/system/core.h"
 #include "mojo/public/c/system/buffer.h"
@@ -14,7 +17,6 @@
 using mojo::embedder::internal::g_core;
 using mojo::system::MakeUserPointer;
 
-// Definitions of the system functions.
 extern "C" {
 
 MojoTimeTicks MojoGetTimeTicksNow() {
@@ -104,6 +106,21 @@ MojoResult MojoEndWriteData(MojoHandle data_pipe_producer_handle,
   return g_core->EndWriteData(data_pipe_producer_handle, num_elements_written);
 }
 
+MojoResult MojoSetDataPipeConsumerOptions(
+    MojoHandle data_pipe_consumer_handle,
+    const struct MojoDataPipeConsumerOptions* options) {
+  return g_core->SetDataPipeConsumerOptions(data_pipe_consumer_handle,
+                                            MakeUserPointer(options));
+}
+
+MojoResult MojoGetDataPipeConsumerOptions(
+    MojoHandle data_pipe_consumer_handle,
+    struct MojoDataPipeConsumerOptions* options,
+    uint32_t options_num_bytes) {
+  return g_core->GetDataPipeConsumerOptions(
+      data_pipe_consumer_handle, MakeUserPointer(options), options_num_bytes);
+}
+
 MojoResult MojoReadData(MojoHandle data_pipe_consumer_handle,
                         void* elements,
                         uint32_t* num_elements,