SkNonCopyable should be used with private inheritance.

src/gpu/GrAllocPool.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 GrAllocPool_DEFINED
 #define GrAllocPool_DEFINED
 
 #include "SkTypes.h"
 
-class GrAllocPool : public SkNoncopyable {
+class GrAllocPool : SkNoncopyable {
 public:
     GrAllocPool(size_t blockSize = 0);
     ~GrAllocPool();
 
     /**
      *  Frees all blocks that have been allocated with alloc().
      */
     void reset();
 
     /**
@@ skipping 27 matching lines @@
     GrTAllocPool(int count) : fPool(count * sizeof(T)) {}
 
     void reset() { fPool.reset(); }
     T* alloc() { return (T*)fPool.alloc(sizeof(T)); }
 
 private:
     GrAllocPool fPool;
 };
 
 #endif