Load and apply a vcgt table from an ICC file to the internal display

ui/ozone/platform/drm/gpu/drm_device.cc

Index: ui/ozone/platform/drm/gpu/drm_device.cc
diff --git a/ui/ozone/platform/drm/gpu/drm_device.cc b/ui/ozone/platform/drm/gpu/drm_device.cc
index fe95a622ca04eb01255310bb612255d75a3a831e..a37c7dcafb27aedfa2ea832701b14053b7431d3f 100644
--- a/ui/ozone/platform/drm/gpu/drm_device.cc
+++ b/ui/ozone/platform/drm/gpu/drm_device.cc
@@ -476,4 +476,15 @@ bool DrmDevice::DropMaster() {
   return (drmDropMaster(file_.GetPlatformFile()) == 0);
 }
 
+bool DrmDevice::SetGammaRamp(uint32_t crtc_id,
+                             uint32_t size,
+                             uint16_t* r,
+                             uint16_t* g,
+                             uint16_t* b) {
+  DCHECK(file_.IsValid());
+  TRACE_EVENT0("drm", "DrmDevice::SetGamma");
+  return (drmModeCrtcSetGamma(file_.GetPlatformFile(), crtc_id, size, r, g,
+                              b) == 0);
+}
+
 }  // namespace ui