SkNonCopyable should be used with private inheritance.

include/gpu/GrCoordTransform.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrCoordTransform_DEFINED
 #define GrCoordTransform_DEFINED
 
@@ skipping 21 matching lines @@
      * usually not the coordinates a GrEffect wants.
      */
     kPosition_GrCoordSet
 };
 
 /**
  * A class representing a linear transformation from one of the built-in coordinate sets (local or
  * position). GrEffects just define these transformations, and the framework does the rest of the
  * work to make the transformed coordinates available in their fragment shader.
  */
-class GrCoordTransform : public SkNoncopyable {
+class GrCoordTransform : SkNoncopyable {
 public:
     GrCoordTransform() { SkDEBUGCODE(fInEffect = false); }
 
     /**
      * Create a transformation that maps [0, 1] to a texture's boundaries.
      */
     GrCoordTransform(GrCoordSet sourceCoords, const GrTexture* texture) {
         SkDEBUGCODE(fInEffect = false);
         this->reset(sourceCoords, texture);
     }
@@ skipping 57 matching lines @@
 
 #ifdef SK_DEBUG
 public:
     void setInEffect() const { fInEffect = true; }
 private:
     mutable bool fInEffect;
 #endif
 };
 
 #endif