SkNonCopyable should be used with private inheritance.

include/gpu/GrBackendEffectFactory.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrBackendEffectFactory_DEFINED
 #define GrBackendEffectFactory_DEFINED
 
@@ skipping 10 matching lines @@
     templated on the GrEffect subclass as their factory object. It requires that the GrEffect
     subclass has a nested class (or typedef) GLEffect which is its GL implementation and a subclass
     of GrGLEffect.
  */
 
 class GrEffectRef;
 class GrGLEffect;
 class GrGLCaps;
 class GrDrawEffect;
 
-class GrBackendEffectFactory : public SkNoncopyable {
+class GrBackendEffectFactory : SkNoncopyable {
 public:
     typedef uint32_t EffectKey;
     enum {
         kNoEffectKey = 0,
         kEffectKeyBits = 10,
         /**
          * The framework automatically includes coord transforms and texture accesses in their
          * effect's EffectKey, so effects don't need to account for them in GenKey().
          */
         kTextureKeyBits = 4,
@@ skipping 39 matching lines @@
         return static_cast<EffectKey>(id);
     }
 
     EffectKey fEffectClassID;
 
 private:
     static int32_t fCurrEffectClassID;
 };
 
 #endif