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

ui/ozone/platform/drm/gpu/drm_gpu_platform_support.h

Index: ui/ozone/platform/drm/gpu/drm_gpu_platform_support.h
diff --git a/ui/ozone/platform/drm/gpu/drm_gpu_platform_support.h b/ui/ozone/platform/drm/gpu/drm_gpu_platform_support.h
index 2c844dbe432d24199784b2ef9a72f5bcd22a82f8..d92335d3c7ecbb620f6281c25b230c6ae4358495 100644
--- a/ui/ozone/platform/drm/gpu/drm_gpu_platform_support.h
+++ b/ui/ozone/platform/drm/gpu/drm_gpu_platform_support.h
@@ -8,6 +8,7 @@
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
+#include "base/tuple.h"
 #include "ipc/message_filter.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/ozone/public/gpu_platform_support.h"
@@ -36,6 +37,8 @@ class ScreenManager;
 struct DisplayMode_Params;
 struct DisplaySnapshot_Params;
 
+typedef std::vector<Tuple<uint16_t, uint16_t, uint16_t>> GammaRampRGBData;
+
 class DrmGpuPlatformSupport : public GpuPlatformSupport {
  public:
   DrmGpuPlatformSupport(DrmDeviceManager* drm_device_manager,
@@ -75,6 +78,7 @@ class DrmGpuPlatformSupport : public GpuPlatformSupport {
   void OnAddGraphicsDevice(const base::FilePath& path,
                            const base::FileDescriptor& fd);
   void OnRemoveGraphicsDevice(const base::FilePath& path);
+  void OnSetGammaRamp(int64_t id, const GammaRampRGBData& lut);
 
   void SetIOTaskRunner(
       const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner);