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

ui/ozone/platform/drm/host/drm_native_display_delegate.h

 // Copyright 2014 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 UI_OZONE_PLATFORM_DRM_HOST_NATIVE_DISPLAY_DELEGATE_HOST_H_
 #define UI_OZONE_PLATFORM_DRM_HOST_NATIVE_DISPLAY_DELEGATE_HOST_H_
 
 #include <map>
 #include <queue>
 
@@ skipping 45 matching lines @@
   void CreateFrameBuffer(const gfx::Size& size) override;
   void GetHDCPState(const DisplaySnapshot& output,
                     const GetHDCPStateCallback& callback) override;
   void SetHDCPState(const DisplaySnapshot& output,
                     HDCPState state,
                     const SetHDCPStateCallback& callback) override;
   std::vector<ColorCalibrationProfile> GetAvailableColorCalibrationProfiles(
       const DisplaySnapshot& output) override;
   bool SetColorCalibrationProfile(const DisplaySnapshot& output,
                                   ColorCalibrationProfile new_profile) override;
-  bool SetGammaRamp(const ui::DisplaySnapshot& output,
-                    const std::vector<GammaRampRGBEntry>& lut) override;
   void AddObserver(NativeDisplayObserver* observer) override;
   void RemoveObserver(NativeDisplayObserver* observer) override;
 
   // DeviceEventObserver overrides:
   void OnDeviceEvent(const DeviceEvent& event) override;
 
   // GpuPlatformSupportHost:
   void OnChannelEstablished(
       int host_id,
       scoped_refptr<base::SingleThreadTaskRunner> send_runner,
@@ skipping 70 matching lines @@
       drm_devices_;
 
   base::WeakPtrFactory<DrmNativeDisplayDelegate> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmNativeDisplayDelegate);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_HOST_NATIVE_DISPLAY_DELEGATE_HOST_H_