SkNonCopyable should be used with private inheritance.

src/gpu/GrTemplates.h

Index: src/gpu/GrTemplates.h
diff --git a/src/gpu/GrTemplates.h b/src/gpu/GrTemplates.h
index 5a009dfdf109fed9977d24d5b4a78d5419ab1766..2cab1327831373b11a7a1c1e438d0cde49fdb2fc 100644
--- a/src/gpu/GrTemplates.h
+++ b/src/gpu/GrTemplates.h
@@ -35,7 +35,7 @@ template <typename Dst, typename Src> Dst GrTCast(Src src) {
  *      ...
  * }  // fCount is restored
  */
-template <typename T> class GrAutoTRestore : public SkNoncopyable {
+template <typename T> class GrAutoTRestore : SkNoncopyable {
 public:
     GrAutoTRestore() : fPtr(NULL), fVal() {}