Remove GrStagedProcessor, remove the word Stage as it applies to FPs

include/gpu/GrStagedProcessor.h

-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrStagedProcessorStage_DEFINED
-#define GrStagedProcessorStage_DEFINED
-
-#include "SkRefCnt.h"
-
-class GrFragmentProcessor;
-
-/**
- * Wraps a GrFragmentProcessor, basically a copyable SkAutoTUnref
- * Templatized based on the ref type so backends can use the same wrapper
- */
-template<template<typename> class T>
-class GrStagedProcessor {
-public:
-    explicit GrStagedProcessor(const GrFragmentProcessor* proc) : fProc(SkRef(proc)) {}
-
-    GrStagedProcessor(const GrStagedProcessor& other) { fProc.reset(SkRef(other.fProc.get())); }
-
-    const GrFragmentProcessor* processor() const { return fProc.get(); }
-
-    bool operator==(const GrStagedProcessor& that) const {
-        return this->processor()->isEqual(*that.processor());
-    }
-
-    bool operator!=(const GrStagedProcessor& that) const { return !(*this == that); }
-
-    const char* name() const { return fProc->name(); }
-
-protected:
-    GrStagedProcessor() {}
-
-    T<const GrFragmentProcessor> fProc;
-};
-
-typedef GrStagedProcessor<SkAutoTUnref> GrFragmentStage;
-
-#endif