Make SkColorSpaceXform::New() take bare ptrs

src/core/SkColorSpaceXform.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkColorSpaceXform_DEFINED
 #define SkColorSpaceXform_DEFINED
 
 #include "SkColorSpace.h"
 #include "SkColorSpace_Base.h"
 #include "SkImageInfo.h"
 
 class SkColorSpaceXform : SkNoncopyable {
 public:
 
     /**
      *  Create an object to handle color space conversions.
      *
      *  @param srcSpace The encoded color space.
      *  @param dstSpace The destination color space.
      *
      */
-    static std::unique_ptr<SkColorSpaceXform> New(const sk_sp<SkColorSpace>& srcSpace,
-                                                  const sk_sp<SkColorSpace>& dstSpace);
+    static std::unique_ptr<SkColorSpaceXform> New(SkColorSpace* srcSpace, SkColorSpace* dstSpace);
 
     enum ColorFormat : uint8_t {
         kRGBA_8888_ColorFormat,
         kBGRA_8888_ColorFormat,
         kRGBA_F16_ColorFormat,
         kRGBA_F32_ColorFormat,
     };
 
     /**
      *  Apply the color conversion to a |src| buffer, storing the output in the |dst| buffer.
@@ skipping 35 matching lines @@
 template <SrcGamma kSrc, DstGamma kDst, ColorSpaceMatch kCSM>
 class SkColorSpaceXform_Base : public SkColorSpaceXform {
 public:
 
     void apply(void* dst, const uint32_t* src, int len, ColorFormat dstColorFormat,
                SkAlphaType dstAlphaType) const override;
 
     static constexpr int      kDstGammaTableSize = 1024;
 
 private:
-    SkColorSpaceXform_Base(const sk_sp<SkColorSpace>& srcSpace, const SkMatrix44& srcToDst,
-                           const sk_sp<SkColorSpace>& dstSpace);
+    SkColorSpaceXform_Base(SkColorSpace* srcSpace, const SkMatrix44& srcToDst,
+                           SkColorSpace* dstSpace);
 
     sk_sp<SkColorLookUpTable> fColorLUT;
 
     // Contain pointers into storage or pointers into precomputed tables.
     const float*              fSrcGammaTables[3];
     const uint8_t*            fDstGammaTables[3];
     SkAutoMalloc              fStorage;
 
     float                     fSrcToDst[16];
 
     friend class SkColorSpaceXform;
-    friend std::unique_ptr<SkColorSpaceXform> SlowIdentityXform(const sk_sp<SkColorSpace>& space);
+    friend std::unique_ptr<SkColorSpaceXform> SlowIdentityXform(SkColorSpace* space);
 };
 
 // For testing.  Bypasses opts for when src and dst color spaces are equal.
-std::unique_ptr<SkColorSpaceXform> SlowIdentityXform(const sk_sp<SkColorSpace>& space);
+std::unique_ptr<SkColorSpaceXform> SlowIdentityXform(SkColorSpace* space);
 
 #endif