Replace uses of GrNoncopyable by SkNoncopyable.

include/gpu/GrNoncopyable.h

-
-/*
- * Copyright 2010 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrNoncopyable_DEFINED
-#define GrNoncopyable_DEFINED
-
-#include "GrTypes.h"
-
-/**
- *  Base for classes that want to disallow copying themselves. It makes its
- *  copy-constructor and assignment operators private (and unimplemented).
- */
-class SK_API GrNoncopyable {
-public:
-    GrNoncopyable() {}
-
-private:
-    // illegal
-    GrNoncopyable(const GrNoncopyable&);
-    GrNoncopyable& operator=(const GrNoncopyable&);
-};
-
-#endif