Set SkColorSpace object for PNGs and parse ICC profiles

src/core/SkColorSpace.h

Index: src/core/SkColorSpace.h
diff --git a/src/core/SkColorSpace.h b/src/core/SkColorSpace.h
deleted file mode 100644
index 7e81b5f335c8ec53cf6352feeef6aaf735125588..0000000000000000000000000000000000000000
--- a/src/core/SkColorSpace.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * 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 SkColorSpace_DEFINED
-#define SkColorSpace_DEFINED
-
-// Some terms
-//
-//  PCS : Profile Connection Space : where color number values have an absolute meaning.
-//        Part of the work float is to convert colors to and from this space...
-//        src_linear_unit_floats --> PCS --> PCS' --> dst_linear_unit_floats
-//
-// Some nice documents
-//
-// http://www.cambridgeincolour.com/tutorials/color-space-conversion.htm
-// https://www.w3.org/Graphics/Color/srgb
-// http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html
-//
-
-#include "SkRefCnt.h"
-
-struct SkFloat3 {
-    float fVec[3];
-
-    void dump() const;
-};
-
-struct SkFloat3x3 {
-    float fMat[9];
-
-    void dump() const;
-};
-
-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,
-    };
-
-    /**
-     *  Return a colorspace instance, given a 3x3 transform from linear_RGB to D50_XYZ
-     *  and the src-gamma, return a ColorSpace
-     */
-    static SkColorSpace* NewRGB(const SkFloat3x3& toXYZD50, const SkFloat3& gamma);
-
-    static SkColorSpace* NewNamed(Named);
-    static SkColorSpace* NewICC(const void*, size_t);
-
-    SkFloat3 gamma() const { return fGamma; }
-    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;
-
-protected:
-    SkColorSpace(const SkFloat3x3& toXYZ, const SkFloat3& gamma, Named);
-
-private:
-    const SkFloat3x3 fToXYZD50;
-    const SkFloat3   fGamma;
-    const uint32_t   fUniqueID;
-    const Named      fNamed;
-};
-
-#endif