Another trivial cleanup

include/gpu/GrFragmentStage.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 GrFragmentStage_DEFINED
-#define GrFragmentStage_DEFINED
-
-#include "GrFragmentProcessor.h"
-
-/**
- * Wraps a GrFragmentProcessor, basically a copyable SkAutoTUnref
- */
-class GrFragmentStage {
-public:
-    explicit GrFragmentStage(const GrFragmentProcessor* proc) : fProc(SkRef(proc)) {}
-
-    GrFragmentStage(const GrFragmentStage& other) { fProc.reset(SkRef(other.fProc.get())); }
-
-    const GrFragmentProcessor* processor() const { return fProc.get(); }
-
-    bool operator==(const GrFragmentStage& that) const {
-        return this->processor() == that.processor();
-    }
-
-    bool operator!=(const GrFragmentStage& that) const { return !(*this == that); }
-
-protected:
-    SkAutoTUnref<const GrFragmentProcessor> fProc;
-};
-
-#endif