Remove GrFontScaler class

src/gpu/text/GrFontScaler.h

-/*
- * Copyright 2010 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrFontScaler_DEFINED
-#define GrFontScaler_DEFINED
-
-#include "GrGlyph.h"
-#include "GrTypes.h"
-
-#include "SkDescriptor.h"
-
-class SkGlyph;
-class SkPath;
-
-/*
- *  This is Gr's interface to the host platform's font scaler.
- *
- *  The client is responsible for instantiating this. The instance is created
- *  for a specific font+size+matrix.
- */
-class GrFontScaler final : public SkNoncopyable {
-public:
-    explicit GrFontScaler(SkGlyphCache* strike);
-
-    const SkDescriptor& getKey();
-    GrMaskFormat getPackedGlyphMaskFormat(const SkGlyph&) const;
-    bool getPackedGlyphBounds(const SkGlyph&, SkIRect* bounds);
-    bool getPackedGlyphImage(const SkGlyph&, int width, int height, int rowBytes,
-                             GrMaskFormat expectedMaskFormat, void* image);
-    bool getPackedGlyphDFBounds(const SkGlyph&, SkIRect* bounds);
-    bool getPackedGlyphDFImage(const SkGlyph&, int width, int height, void* image);
-    const SkPath* getGlyphPath(const SkGlyph&);
-    const SkGlyph& grToSkGlyph(GrGlyph::PackedID);
-
-private:
-    // The SkGlyphCache actually owns this GrFontScaler. The GrFontScaler is deleted when the
-    // SkGlyphCache is deleted.
-    SkGlyphCache*  fStrike;
-
-    typedef SkNoncopyable INHERITED;
-};
-
-#endif