Delete some LUTs from SkColorSpaceXform

tests/ColorSpaceXformTest.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Resources.h"
 #include "SkCodec.h"
 #include "SkColorPriv.h"
@@ skipping 95 matching lines @@
 }
 
 DEF_TEST(ColorSpaceXform_ExponentialGamma, r) {
     // Exponential gamma curves
     sk_sp<SkGammas> gammas = sk_sp<SkGammas>(new SkGammas());
     gammas->fRedType = gammas->fGreenType = gammas->fBlueType = SkGammas::Type::kValue_Type;
     gammas->fRedData.fValue = gammas->fGreenData.fValue = gammas->fBlueData.fValue = 1.4f;
     test_identity_xform(r, gammas);
 }
 
+DEF_TEST(ColorSpaceXform_NamedGamma, r) {
+    sk_sp<SkGammas> gammas = sk_sp<SkGammas>(new SkGammas());
+    gammas->fRedType = gammas->fGreenType = gammas->fBlueType = SkGammas::Type::kNamed_Type;
+    gammas->fRedData.fNamed = kSRGB_SkGammaNamed;
+    gammas->fGreenData.fNamed = k2Dot2Curve_SkGammaNamed;
+    gammas->fBlueData.fNamed = kLinear_SkGammaNamed;
+    test_identity_xform(r, gammas);
+}
+
 DEF_TEST(ColorSpaceXform_NonMatchingGamma, r) {
     constexpr size_t tableSize = 10;
     void* memory = sk_malloc_throw(sizeof(SkGammas) + sizeof(float) * tableSize +
                                    sizeof(SkGammas::Params));
     sk_sp<SkGammas> gammas = sk_sp<SkGammas>(new (memory) SkGammas());
 
     float* table = SkTAddOffset<float>(memory, sizeof(SkGammas));
     table[0] = 0.00f;
     table[1] = 0.15f;
     table[2] = 0.20f;
@@ skipping 20 matching lines @@
 
     gammas->fGreenType = SkGammas::Type::kTable_Type;
     gammas->fGreenData.fTable.fSize = tableSize;
     gammas->fGreenData.fTable.fOffset = 0;
 
     gammas->fBlueType = SkGammas::Type::kParam_Type;
     gammas->fBlueData.fParamOffset = sizeof(float) * tableSize;
 
     test_identity_xform(r, gammas);
 }