Add support for more advanced color correction

ash/display/display_color_manager_chromeos.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_DISPLAY_DISPLAY_COLOR_MANAGER_CHROMEOS_H_
 #define ASH_DISPLAY_DISPLAY_COLOR_MANAGER_CHROMEOS_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 29 matching lines @@
   void OnDisplayModeChanged(
       const ui::DisplayConfigurator::DisplayStateList& outputs) override;
   void OnDisplayModeChangeFailed(
       const ui::DisplayConfigurator::DisplayStateList& displays,
       ui::MultipleDisplayState failed_new_state) override {}
 
   struct ColorCalibrationData {
     ColorCalibrationData();
     ~ColorCalibrationData();
 
-    std::vector<ui::GammaRampRGBEntry> lut;
+    std::vector<ui::GammaRampRGBEntry> degamma_lut;
+    std::vector<ui::GammaRampRGBEntry> gamma_lut;
+    float correction_matrix[9];
   };
 
  private:
   void ApplyDisplayColorCalibration(int64_t display_id, int64_t product_id);
   void LoadCalibrationForDisplay(const ui::DisplaySnapshot* display);
   void UpdateCalibrationData(
       int64_t display_id,
       int64_t product_id,
       scoped_ptr<DisplayColorManager::ColorCalibrationData> data,
       bool success);
 
   ui::DisplayConfigurator* configurator_;
   std::map<int64_t, ColorCalibrationData*> calibration_map_;
   base::SequencedWorkerPool* blocking_pool_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayColorManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_COLOR_MANAGER_CHROMEOS_H_