The inclusion of <d3d9.h> is probably a leftover from the past. As of today system_wrappers/cpu_info.cc doesn't need access to Direct 3D. TBR=tommi@webrtc.org Bug: webrtc:9073 Change-Id: I679d161f4b1d098a7864d82e4a52fa70d57aae84 Reviewed-on: https://webrtc-review.googlesource.com/65440 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Noah Richards <noahric@chromium.org> Cr-Commit-Position: refs/heads/master@{#22683}