Add DisplayGL::getDriverVersion and implementation on Linux NVIDIA Some GPU driver bug workarounds should be active only for specific driver version ranges. This adds NVIDIA Linux driver detection using the XNVCtrl X11 extension. BUG=590870 Change-Id: I8cbf692a0c8a6da7473169f29d720bdc2d07663d Reviewed-on: https://chromium-review.googlesource.com/329637 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Corentin Wallez <cwallez@chromium.org>