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

ui/display/types/native_display_delegate.h

Index: ui/display/types/native_display_delegate.h
diff --git a/ui/display/types/native_display_delegate.h b/ui/display/types/native_display_delegate.h
index 98aef267bb87486a3673f89432b4bafc8f3b6c93..d37083d134d95f1fc6f2976a1fd89ebaed197a09 100644
--- a/ui/display/types/native_display_delegate.h
+++ b/ui/display/types/native_display_delegate.h
@@ -24,6 +24,8 @@ class DisplaySnapshot;
 
 class NativeDisplayObserver;
 
+struct GammaRampRGBEntry;
+
 typedef base::Callback<void(const std::vector<ui::DisplaySnapshot*>&)>
     GetDisplaysCallback;
 typedef base::Callback<void(bool)> ConfigureCallback;
@@ -103,6 +105,10 @@ class DISPLAY_TYPES_EXPORT NativeDisplayDelegate {
       const ui::DisplaySnapshot& output,
       ui::ColorCalibrationProfile new_profile) = 0;
 
+  // Set the gamma ramp for the display.
+  virtual bool SetGammaRamp(const ui::DisplaySnapshot& output,
+                            const std::vector<GammaRampRGBEntry>& lut) = 0;
+
   virtual void AddObserver(NativeDisplayObserver* observer) = 0;
 
   virtual void RemoveObserver(NativeDisplayObserver* observer) = 0;