Revert 148272 - Refactor the wallpaper encoding to another file/class.

chrome/browser/ui/webui/options2/chromeos/simple_png_encoder.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/ui/webui/options2/chromeos/simple_png_encoder.h"
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/threading/worker_pool.h"
-#include "chrome/browser/chromeos/login/user_manager.h"
-#include "chrome/common/url_constants.h"
-#include "ui/gfx/codec/png_codec.h"
-#include "ui/gfx/size.h"
-#include "ui/gfx/skia_util.h"
-
-extern "C" {
-#if defined(USE_SYSTEM_ZLIB)
-#include <zlib.h>
-#else
-#include "third_party/zlib/zlib.h"
-#endif
-}
-
-namespace chromeos {
-
-SimplePngEncoder::SimplePngEncoder(
-    scoped_refptr<base::RefCountedBytes> data,
-    SkBitmap image,
-    base::Closure cancel_callback)
-    : data_(data),
-      image_(image),
-      cancel_callback_(cancel_callback) {
-}
-
-void SimplePngEncoder::Run(EncoderCallback callback) {
-  base::WorkerPool::PostTaskAndReply(
-      FROM_HERE,
-      base::Bind(&SimplePngEncoder::EncodeWallpaper, this),
-      base::Bind(callback, data_),
-      true /* task_is_slow */);
-}
-
-void SimplePngEncoder::EncodeWallpaper() {
-  if (cancel_flag_.IsSet())
-    return;
-  SkAutoLockPixels lock_input(image_);
-  // Avoid compression to make things faster.
-  gfx::PNGCodec::EncodeWithCompressionLevel(
-      reinterpret_cast<unsigned char*>(image_.getAddr32(0, 0)),
-      gfx::PNGCodec::FORMAT_SkBitmap,
-      gfx::Size(image_.width(), image_.height()),
-      image_.width() * image_.bytesPerPixel(),
-      false,
-      std::vector<gfx::PNGCodec::Comment>(),
-      Z_NO_COMPRESSION,
-      &data_->data());
-}
-
-void SimplePngEncoder::Cancel() {
-  cancel_flag_.Set();
-  cancel_callback_.Run();
-}
-
-SimplePngEncoder::~SimplePngEncoder() {}
-
-}  // namespace chromeos