SkNonCopyable should be used with private inheritance.

experimental/SkiaExamples/SkExample.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 SkExample_DEFINED
 #define SkExample_DEFINED
 
 #include "SkWindow.h"
 #include "SkTRegistry.h"
 
 class GrContext;
 struct GrGLInterface;
 class GrRenderTarget;
 class SkCanvas;
 class SkExampleWindow;
 
-class SkExample : public SkNoncopyable {
+class SkExample : SkNoncopyable {
 public:
     SkExample(SkExampleWindow* window) : fWindow(window) {}
 
     virtual ~SkExample() {}
 
     // Your class should override this method to do its thing.
     virtual void draw(SkCanvas* canvas) = 0;
 
     SkString getName() { return fName; };
     // Use this public registry to tell the world about your sample.
@@ skipping 40 matching lines @@
     const SkExample::Registry* fRegistry;
     GrContext* fContext;
     GrRenderTarget* fRenderTarget;
     AttachmentInfo fAttachmentInfo;
     const GrGLInterface* fInterface;
 
     typedef SkOSWindow INHERITED;
 };
 
 #endif