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

ash/content/display/display_color_manager_chromeos.h

Index: ash/content/display/display_color_manager_chromeos.h
diff --git a/ash/content/display/display_color_manager_chromeos.h b/ash/content/display/display_color_manager_chromeos.h
new file mode 100644
index 0000000000000000000000000000000000000000..b01461b13fba5f53e3e718f1f5c7bdfce871128d
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+++ b/ash/content/display/display_color_manager_chromeos.h
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+// 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>
+
+#include "ash/ash_export.h"
+#include "base/basictypes.h"
+#include "base/files/file_path.h"
+#include "base/memory/weak_ptr.h"
+#include "ui/display/chromeos/display_configurator.h"
+#include "ui/gfx/display.h"
+#include "ui/gfx/display_observer.h"
+
+namespace ash {
+
+// An object that observes changes in display configuration applies any color
+// calibration where needed.
+class ASH_EXPORT DisplayColorManager
+    : public ui::DisplayConfigurator::Observer,
+      public base::SupportsWeakPtr<DisplayColorManager> {
+ public:
+  DisplayColorManager(ui::DisplayConfigurator* configurator);
+  ~DisplayColorManager() override;
+
+  // Overriden from ui::DisplayConfigurator::Observer:
+  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<uint16_t> r;
+    std::vector<uint16_t> g;
+    std::vector<uint16_t> b;
+  };
+
+ private:
+  void ApplyDisplayColorCalibration(uint64_t display_id);
+  void LoadInternalFromCommandLine();
+  void UpdateCalibrationData(
+      uint64_t display_id,
+      scoped_ptr<DisplayColorManager::ColorCalibrationData> data,
+      bool success);
+
+  ui::DisplayConfigurator* configurator_;
+  std::map<uint64_t, ColorCalibrationData*> calibration_map_;
+  DISALLOW_COPY_AND_ASSIGN(DisplayColorManager);
+};
+
+}  // namespace ash
+
+#endif  // ASH_DISPLAY_DISPLAY_COLOR_MANAGER_CHROMEOS_H_