Add test for Chromium's EGL_D3D_TEXTURE pbuffer creation When creating the pbuffer, Chromium specifies EGL_WIDTH and EGL_HEIGHT attributes that are unnecessary because they are extracted from the D3D11 texture passed as <buffer> to eglCreatePbufferFromClientBuffer. This is a regression test for crbug.com/794086 where a change to ValidateCreatePbufferFromClientBuffer made EGL_WIDTH and EGL_HEIGHT invalid for <buftype> EGL_D3D_TEXTURE and caused Chromium to fail creating the pbuffer, causing all black rendering. BUG=chromium:794086 Change-Id: I262fd0991e0f46f255aeac25528ddb4a62fa1309 Reviewed-on: https://chromium-review.googlesource.com/822296 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Corentin Wallez <cwallez@chromium.org>