Move toXYZD50() to SkColorSpace_Base

include/core/SkColorSpace.h

Index: include/core/SkColorSpace.h
diff --git a/include/core/SkColorSpace.h b/include/core/SkColorSpace.h
index a6a800d140d9e0faf408cc50896dcdb0a893429c..a96f6220951a98e518eb8483b0f63cb0b539b948 100644
--- a/include/core/SkColorSpace.h
+++ b/include/core/SkColorSpace.h
@@ -70,11 +70,6 @@ public:
     sk_sp<SkColorSpace> makeLinearGamma();
 
     /**
-     *  Returns the matrix used to transform src gamut to XYZ D50.
-     */
-    const SkMatrix44& toXYZD50() const { return fToXYZD50; }
-
-    /**
      *  Returns true if the color space gamma is near enough to be approximated as sRGB.
      */
     bool gammaCloseToSRGB() const;
@@ -105,9 +100,7 @@ public:
     static bool Equals(const SkColorSpace* src, const SkColorSpace* dst);
 
 protected:
-    SkColorSpace(const SkMatrix44& toXYZD50);
-
-    const SkMatrix44 fToXYZD50;
+    SkColorSpace() {}
 };
 
 #endif