When configuring without protobuf this test fails to compile with the error: perf_test_histogram_writer_no_protobuf.cc:20:1: error: non-void function does not return a value Bug: None Change-Id: I8e2676ee4b5284eac08e648fc43bdfc585fc5d64 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/182740 Reviewed-by: Taylor <deadbeef@webrtc.org> Reviewed-by: Niels Moller <nisse@webrtc.org> Commit-Queue: Taylor <deadbeef@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32021}