cc: Use SkCreateColorSpaceXformCanvas for color transforms

ui/gfx/color_space.h

 // Copyright (c) 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.
 
 #ifndef UI_GFX_COLOR_SPACE_H_
 #define UI_GFX_COLOR_SPACE_H_
 
 #include <stdint.h>
 #include <ostream>
 
@@ skipping 150 matching lines @@
   bool FullRangeEncodedValues() const;
 
   // Return this color space with any range adjust or YUV to RGB conversion
   // stripped off.
   gfx::ColorSpace GetAsFullRangeRGB() const;
 
   // This will return nullptr for non-RGB spaces, spaces with non-FULL
   // range, and unspecified spaces.
   sk_sp<SkColorSpace> ToSkColorSpace() const;
 
-  // Return an SkColorSpace that represents this color space, with output-space
-  // blending (which is only linear for color spaces with a linear tranasfer
-  // function).
-  sk_sp<SkColorSpace> ToNonlinearBlendedSkColorSpace() const;
-
   // Populate |icc_profile| with an ICC profile that represents this color
   // space. Returns false if this space is not representable.
   bool GetICCProfile(ICCProfile* icc_profile) const;
 
   void GetPrimaryMatrix(SkMatrix44* to_XYZD50) const;
   bool GetTransferFunction(SkColorSpaceTransferFn* fn) const;
   bool GetInverseTransferFunction(SkColorSpaceTransferFn* fn) const;
 
   // For most formats, this is the RGB to YUV matrix.
   void GetTransferMatrix(SkMatrix44* matrix) const;
@@ skipping 30 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(SimpleColorSpace, GetColorSpace);
 };
 
 // Stream operator so ColorSpace can be used in assertion statements.
 GFX_EXPORT std::ostream& operator<<(std::ostream& out,
                                     const ColorSpace& color_space);
 
 }  // namespace gfx
 
 #endif  // UI_GFX_COLOR_SPACE_H_