Move SkColorMatrixFilter implementation to core.

src/core/SkColorMatrixFilterRowMajor255.h

 /*
- * Copyright 2007 The Android Open Source Project
+ * 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 SkColorMatrixFilter_DEFINED
 #define SkColorMatrixFilter_DEFINED
 
 #include "SkColorFilter.h"
-#include "SkColorMatrix.h"
 
-class SK_API SkColorMatrixFilter : public SkColorFilter {
+class SK_API SkColorMatrixFilterRowMajor255 : public SkColorFilter {
 public:
-    static SkColorFilter* Create(const SkColorMatrix& cm) {
-        return new SkColorMatrixFilter(cm);
-    }
-    static SkColorFilter* Create(const SkScalar array[20]) {
-        return new SkColorMatrixFilter(array);
-    }
-
-    /**
-     *  Create a colorfilter that multiplies the RGB channels by one color, and
-     *  then adds a second color, pinning the result for each component to
-     *  [0..255]. The alpha components of the mul and add arguments
-     *  are ignored.
-     */
-    static SkColorFilter* CreateLightingFilter(SkColor mul, SkColor add);
+    explicit SkColorMatrixFilterRowMajor255(const SkScalar array[20]);
 
     void filterSpan(const SkPMColor src[], int count, SkPMColor[]) const override;
     void filterSpan4f(const SkPM4f src[], int count, SkPM4f[]) const override;
     uint32_t getFlags() const override;
     bool asColorMatrix(SkScalar matrix[20]) const override;
     SkColorFilter* newComposed(const SkColorFilter*) const override;
 
 #if SK_SUPPORT_GPU
     const GrFragmentProcessor* asFragmentProcessor(GrContext*) const override;
 #endif
 
     SK_TO_STRING_OVERRIDE()
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkColorMatrixFilter)
 
 protected:
-    explicit SkColorMatrixFilter(const SkColorMatrix&);
-    explicit SkColorMatrixFilter(const SkScalar array[20]);
     void flatten(SkWriteBuffer&) const override;
 
 private:
-    SkColorMatrix   fMatrix;
-    float           fTranspose[SkColorMatrix::kCount]; // for Sk4s
+    SkScalar        fMatrix[20];
+    float           fTranspose[20]; // for Sk4s
     uint32_t        fFlags;
 
     void initState(const SkScalar array[20]);
 
     typedef SkColorFilter INHERITED;
 };
 
 #endif