Implement MojoGetBufferInformation(), part 3.

mojo/public/platform/native/system_impl_private_thunks.c

Index: mojo/public/platform/native/system_impl_private_thunks.c
diff --git a/mojo/public/platform/native/system_impl_private_thunks.c b/mojo/public/platform/native/system_impl_private_thunks.c
index 16af7afafa341a515a6507c647bc39d25bb84561..61a945f644fdbc77f864f8c7af1ae056bafdd345 100644
--- a/mojo/public/platform/native/system_impl_private_thunks.c
+++ b/mojo/public/platform/native/system_impl_private_thunks.c
@@ -186,6 +186,16 @@ MojoResult MojoSystemImplDuplicateBufferHandle(
                                                     options, new_buffer_handle);
 }
 
+MojoResult MojoSystemImplGetBufferInformation(
+    MojoSystemImpl system,
+    MojoHandle buffer_handle,
+    struct MojoBufferInformation* info,
+    uint32_t info_num_bytes) {
+  assert(g_system_impl_thunks.GetBufferInformation);
+  return g_system_impl_thunks.GetBufferInformation(system, buffer_handle, info,
+                                                   info_num_bytes);
+}
+
 MojoResult MojoSystemImplMapBuffer(MojoSystemImpl system,
                                    MojoHandle buffer_handle,
                                    uint64_t offset,