Revert of Prototype of RAW decoding in Skia.

src/codec/SkRawAdapterCodec.cpp

-/*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkCodec.h"
-#include "SkCodecPriv.h"
-#include "SkRawAdapterCodec.h"
-
-SkRawAdapterCodec::SkRawAdapterCodec(SkRawCodec* codec)
-    : INHERITED(codec)
-{}
-
-SkISize SkRawAdapterCodec::onGetSampledDimensions(int sampleSize) const {
-    float scale = 1.f / static_cast<float>(sampleSize);
-    return this->codec()->getScaledDimensions(scale);
-}
-
-SkCodec::Result SkRawAdapterCodec::onGetAndroidPixels(
-        const SkImageInfo& info, void* pixels, size_t rowBytes,
-        const AndroidOptions& options) {
-    SkCodec::Options codecOptions;
-    codecOptions.fZeroInitialized = options.fZeroInitialized;
-    codecOptions.fSubset = options.fSubset;
-    return this->codec()->getPixels(
-        info, pixels, rowBytes, &codecOptions, options.fColorPtr,
-        options.fColorCount);
-}