Looks like all the current warnings were because of a MSVC bug: https://github.com/google/googletest/blob/master/googlemock/docs/FrequentlyAskedQuestions.md We can just disable this one for all tests and be done with it. Bug: webrtc:261 Change-Id: I882a577f832ff71ac61936abebe0ca537088bab8 Reviewed-on: https://webrtc-review.googlesource.com/40840 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Patrik Höglund <phoglund@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21691}