Remove Subset*Benches

bench/subset/SubsetBenchPriv.h

-/*
- * Copyright 2015 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SubsetBenchPriv_DEFINED
-#define SubsetBenchPriv_DEFINED
-
-#include "SkCodec.h"
-#include "SkData.h"
-#include "SkImageGenerator.h"
-
-/*
- * If we plan to decode to kIndex8, we must create a color table and pass it to the
- * bitmap when we allocate pixels.  Otherwise, we simply allocate pixels using the
- * decode info.
- */
-static inline void alloc_pixels(SkBitmap* bitmap, const SkImageInfo& info, SkPMColor* colors,
-        int colorCount) {
-    if (kIndex_8_SkColorType == info.colorType()) {
-        SkAutoTUnref<SkColorTable> colorTable(new SkColorTable(colors, colorCount));
-        bitmap->allocPixels(info, nullptr, colorTable);
-    } else {
-        bitmap->allocPixels(info);
-    }
-}
-
-#endif // SubsetBenchPriv_DEFINED