SkNonCopyable should be used with private inheritance.

src/pdf/SkPDFFont.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkPDFFont_DEFINED
 #define SkPDFFont_DEFINED
 
 #include "SkAdvancedTypefaceMetrics.h"
 #include "SkBitSet.h"
 #include "SkPDFTypes.h"
 #include "SkTDArray.h"
 #include "SkThread.h"
 #include "SkTypeface.h"
 
 class SkPaint;
 class SkPDFCatalog;
 class SkPDFFont;
 
-class SkPDFGlyphSet : public SkNoncopyable {
+class SkPDFGlyphSet : SkNoncopyable {
 public:
     SkPDFGlyphSet();
 
     void set(const uint16_t* glyphIDs, int numGlyphs);
     bool has(uint16_t glyphID) const;
     void merge(const SkPDFGlyphSet& usage);
     void exportTo(SkTDArray<uint32_t>* glyphIDs) const;
 
 private:
     SkBitSet fBitSet;
 };
 
-class SkPDFGlyphSetMap : public SkNoncopyable {
+class SkPDFGlyphSetMap : SkNoncopyable {
 public:
     struct FontGlyphSetPair {
         FontGlyphSetPair(SkPDFFont* font, SkPDFGlyphSet* glyphSet);
 
         SkPDFFont* fFont;
         SkPDFGlyphSet* fGlyphSet;
     };
 
     SkPDFGlyphSetMap();
     ~SkPDFGlyphSetMap();
@@ skipping 148 matching lines @@
 
     SkAdvancedTypefaceMetrics::FontType fFontType;
 
     // This should be made a hash table if performance is a problem.
     static SkTDArray<FontRec>& CanonicalFonts();
     static SkBaseMutex& CanonicalFontsMutex();
     typedef SkPDFDict INHERITED;
 };
 
 #endif