Support ARIB STD B67, aka hybrid-log gamma (HLG) transfer function.

ui/gfx/color_transform_unittest.cc

 // Copyright (c) 2016 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.
 
 #include "base/logging.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/color_space.h"
 #include "ui/gfx/color_transform.h"
 #include "ui/gfx/icc_profile.h"
 #include "ui/gfx/transform.h"
@@ skipping 15 matching lines @@
 };
 
 ColorSpace::TransferID all_transfers[] = {
     ColorSpace::TransferID::BT709,        ColorSpace::TransferID::GAMMA22,
     ColorSpace::TransferID::GAMMA28,      ColorSpace::TransferID::SMPTE170M,
     ColorSpace::TransferID::SMPTE240M,    ColorSpace::TransferID::LINEAR,
     ColorSpace::TransferID::LOG,          ColorSpace::TransferID::LOG_SQRT,
     ColorSpace::TransferID::IEC61966_2_4, ColorSpace::TransferID::BT1361_ECG,
     ColorSpace::TransferID::IEC61966_2_1, ColorSpace::TransferID::BT2020_10,
     ColorSpace::TransferID::BT2020_12,    ColorSpace::TransferID::SMPTEST2084,
+    ColorSpace::TransferID::ARIB_STD_B67,
     // This one is weird as the non-linear numbers are not between 0 and 1.
     // TODO(hubbe): Test this separately.
     //  ColorSpace::TransferID::SMPTEST428_1,
 };
 
 ColorSpace::MatrixID all_matrices[] = {
     ColorSpace::MatrixID::RGB, ColorSpace::MatrixID::BT709,
     ColorSpace::MatrixID::UNSPECIFIED, ColorSpace::MatrixID::RESERVED,
     ColorSpace::MatrixID::FCC, ColorSpace::MatrixID::BT470BG,
     ColorSpace::MatrixID::SMPTE170M, ColorSpace::MatrixID::SMPTE240M,
@@ skipping 478 matching lines @@
                      testing::ValuesIn(all_ranges)));
 
 INSTANTIATE_TEST_CASE_P(
     C,
     ColorSpaceTest,
     testing::Combine(testing::ValuesIn(all_primaries),
                      testing::Values(ColorSpace::TransferID::BT709),
                      testing::ValuesIn(all_matrices),
                      testing::ValuesIn(all_ranges)));
 }  // namespace