SkNonCopyable should be used with private inheritance.

include/gpu/GrTextureAccess.h

Index: include/gpu/GrTextureAccess.h
diff --git a/include/gpu/GrTextureAccess.h b/include/gpu/GrTextureAccess.h
index 87b8d827cd015c491d5465ba202773b66e2734e5..9f56171c60a2b143e5af049ecfa03d60b9038bbe 100644
--- a/include/gpu/GrTextureAccess.h
+++ b/include/gpu/GrTextureAccess.h
@@ -112,7 +112,7 @@ private:
  *  key. However, if a GrEffect uses different swizzles based on its input then it must
  *  consider that variation in its key-generation.
  */
-class GrTextureAccess : public SkNoncopyable {
+class GrTextureAccess : SkNoncopyable {
 public:
     /**
      * A default GrTextureAccess must have reset() called on it in a GrEffect subclass's