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

ui/display/chromeos/display_configurator.h

Index: ui/display/chromeos/display_configurator.h
diff --git a/ui/display/chromeos/display_configurator.h b/ui/display/chromeos/display_configurator.h
index 88eab83b4db146f787a5fd377878e792c76ed0a6..523e99682dd510a6eb43ce40fd67c28536551856 100644
--- a/ui/display/chromeos/display_configurator.h
+++ b/ui/display/chromeos/display_configurator.h
@@ -29,6 +29,7 @@ class Size;
 
 namespace ui {
 struct DisplayConfigureRequest;
+struct GammaRampRGBEntry;
 class DisplayMode;
 class DisplaySnapshot;
 class NativeDisplayDelegate;
@@ -267,6 +268,10 @@ class DISPLAY_EXPORT DisplayConfigurator : public NativeDisplayObserver {
   bool SetColorCalibrationProfile(int64_t display_id,
                                   ui::ColorCalibrationProfile new_profile);
 
+  // Sets the gamma ramp for |display_id| to the values in |lut|.
+  bool SetGammaRamp(int64_t display_id,
+                    const std::vector<GammaRampRGBEntry>& lut);
+
  private:
   class DisplayLayoutManagerImpl;