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

ui/ozone/platform/drm/test/mock_drm_device.h

Index: ui/ozone/platform/drm/test/mock_drm_device.h
diff --git a/ui/ozone/platform/drm/test/mock_drm_device.h b/ui/ozone/platform/drm/test/mock_drm_device.h
index 7745a05df8d5d688a02ea8a724fbf9913ad25a69..e5d7bd3f1d3733d1cd202887d8ce8f7796f260cc 100644
--- a/ui/ozone/platform/drm/test/mock_drm_device.h
+++ b/ui/ozone/platform/drm/test/mock_drm_device.h
@@ -109,6 +109,10 @@ class MockDrmDevice : public ui::DrmDevice {
   bool CommitProperties(drmModePropertySet* properties,
                         uint32_t flags,
                         const PageFlipCallback& callback) override;
+  bool SetGammaRamp(uint32_t crtc_id,
+                    const std::vector<uint16_t>& r,
+                    const std::vector<uint16_t>& g,
+                    const std::vector<uint16_t>& b) override;
 
  private:
   ~MockDrmDevice() override;