color: Use SkColorSpaceXform instead of QCMS for LUTs

cc/output/renderer_pixeltest.cc

 // Copyright 2012 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 <stddef.h>
 #include <stdint.h>
 #include <memory>
 
 #include "base/message_loop/message_loop.h"
 #include "cc/base/math_util.h"
@@ skipping 3475 matching lines @@
     color_quad->SetNew(shared_state, rect, rect, SK_ColorWHITE, false);
   }
 
   RenderPassList pass_list;
   pass_list.push_back(std::move(pass));
 
   // Allow a difference of 2 bytes in comparison for shader-based transforms,
   // and 4 bytes for LUT-based transforms (determined empirically).
   FuzzyPixelComparator comparator(false, 100.f, 0.f, 2.f, 2, 0);
   if (!transform->CanGetShaderSource())
-    comparator = FuzzyPixelComparator(false, 100.f, 0.f, 4.f, 4, 0);
+    comparator = FuzzyPixelComparator(false, 100.f, 0.f, 6.f, 6, 0);
   EXPECT_TRUE(RunPixelTest(&pass_list, &expected_output_colors, comparator));
 }
 
 typedef gfx::ColorSpace::PrimaryID PrimaryID;
 typedef gfx::ColorSpace::TransferID TransferID;
 typedef gfx::ColorSpace::MatrixID MatrixID;
 typedef gfx::ColorSpace::RangeID RangeID;
 
 gfx::ColorSpace src_color_spaces[] = {
     // This will be replaced by an ICC-based space (which can't be initialized
@@ skipping 62 matching lines @@
 INSTANTIATE_TEST_CASE_P(
     ToColorSpace,
     ColorTransformPixelTest,
     testing::Combine(testing::ValuesIn(intermediate_color_spaces),
                      testing::ValuesIn(dst_color_spaces)));
 
 #endif  // !defined(OS_ANDROID)
 
 }  // namespace
 }  // namespace cc