This reverts commit ae1532a214bb949b3e2b0659293b5f6bab104598. Reason for revert: It is blocking the WebRTC roll into Chromium (see: https://chromium-review.googlesource.com/c/599707). Affected build: https://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_compile_dbg_ng/builds/469708 Original change's description: > Track recreation of DxgiTextureStaging > > I am not sure memcmp is the right tool to compare two D3D11_TEXTURE2D_DESC > instances. So the staging texture may be recreated for each frame, which hurts > the performance. > > Bug: webrtc:8046 > Change-Id: I60a94f468599b23dec168de55c9bc8c787ab9b7d > Reviewed-on: https://chromium-review.googlesource.com/592088 > Reviewed-by: Jamie Walch <jamiewalch@chromium.org> > Commit-Queue: Zijie He <zijiehe@chromium.org> > Cr-Commit-Position: refs/heads/master@{#19193} TBR=jamiewalch@chromium.org,zijiehe@chromium.org # Not skipping CQ checks because original CL landed > 1 day ago. Bug: webrtc:8046 Change-Id: I57951e22be6926bcde81cdac3ca64cab9fb43338 Reviewed-on: https://chromium-review.googlesource.com/599867 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19232}