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

ui/ozone/common/gpu/ozone_gpu_messages.h

Index: ui/ozone/common/gpu/ozone_gpu_messages.h
diff --git a/ui/ozone/common/gpu/ozone_gpu_messages.h b/ui/ozone/common/gpu/ozone_gpu_messages.h
index 5600963942c7af04a5ac4c7cc01210fcd8bf34be..bc9a465d435350af197c02f8ee8c1b0dde8a8bd5 100644
--- a/ui/ozone/common/gpu/ozone_gpu_messages.h
+++ b/ui/ozone/common/gpu/ozone_gpu_messages.h
@@ -11,7 +11,6 @@
 #include "ipc/ipc_message_macros.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/display/types/display_constants.h"
-#include "ui/display/types/gamma_ramp_rgb_entry.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
@@ -49,12 +48,6 @@
   IPC_STRUCT_TRAITS_MEMBER(has_native_mode)
   IPC_STRUCT_TRAITS_MEMBER(native_mode)
   IPC_STRUCT_TRAITS_MEMBER(string_representation)
-IPC_STRUCT_TRAITS_END()
-
-IPC_STRUCT_TRAITS_BEGIN(ui::GammaRampRGBEntry)
-  IPC_STRUCT_TRAITS_MEMBER(r)
-  IPC_STRUCT_TRAITS_MEMBER(g)
-  IPC_STRUCT_TRAITS_MEMBER(b)
 IPC_STRUCT_TRAITS_END()
 
 //------------------------------------------------------------------------------
@@ -118,11 +111,6 @@
                      int64_t /* display_id */,
                      ui::HDCPState /* state */)
 
-// Provides the gamma ramp for display adjustment.
-IPC_MESSAGE_CONTROL2(OzoneGpuMsg_SetGammaRamp,
-                     int64_t,                             // display ID,
-                     std::vector<ui::GammaRampRGBEntry>)  // lut
-
 //------------------------------------------------------------------------------
 // Browser Messages
 // These messages are from the GPU to the browser process.