Delete unused code from SkColorSpace

src/core/SkColorSpace.h

Index: src/core/SkColorSpace.h
diff --git a/src/core/SkColorSpace.h b/src/core/SkColorSpace.h
index e14ab1c3c03aa72990e6b9c02de409d6b1a4d4a4..2b3b15fe95576c33f5def8e4a341c5797a9bac30 100644
--- a/src/core/SkColorSpace.h
+++ b/src/core/SkColorSpace.h
@@ -56,14 +56,10 @@ struct SkColorLookUpTable {
     }
 };
 
-struct SkPM4f;
-void SkApply3x3ToPM4f(const SkFloat3x3&, const SkPM4f src[], SkPM4f dst[], int count);
-
 class SkColorSpace : public SkRefCnt {
 public:
     enum Named {
         kUnknown_Named,
-        kDevice_Named,
         kSRGB_Named,
     };
 
@@ -82,21 +78,6 @@ public:
     Named named() const { return fNamed; }
     uint32_t uniqueID() const { return fUniqueID; }
 
-    enum Result {
-        kFailure_Result,
-        kIdentity_Result,
-        kNormal_Result,
-    };
-
-    /**
-     *  Given a src and dst colorspace, return the 3x3 matrix that will convert src_linear_RGB
-     *  values into dst_linear_RGB values.
-     */
-    static Result Concat(const SkColorSpace* src, const SkColorSpace* dst, SkFloat3x3* result);
-
-    static void Test();
-    void dump() const;
-
 private:
     SkColorSpace(const SkFloat3& gamma, const SkFloat3x3& toXYZ, Named);