Revert of [Suggestions] Create ImageEncoder, to abstract away image encode/decode.

components/suggestions/jpeg/jpeg_image_encoder.cc

-// Copyright 2014 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 "components/suggestions/jpeg/jpeg_image_encoder.h"
-
-#include "ui/gfx/codec/jpeg_codec.h"
-#include "ui/gfx/image/image_skia.h"
-
-namespace suggestions {
-
-SkBitmap* JpegImageEncoder::DecodeImage(
-    const std::vector<unsigned char>& encoded_data) {
-  return gfx::JPEGCodec::Decode(&encoded_data[0], encoded_data.size());
-}
-
-bool JpegImageEncoder::EncodeImage(const SkBitmap& bitmap,
-                               std::vector<unsigned char>* dest) {
-  SkAutoLockPixels bitmap_lock(bitmap);
-  if (!bitmap.readyToDraw() || bitmap.isNull()) {
-    return false;
-  }
-  return gfx::JPEGCodec::Encode(
-      reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)),
-      gfx::JPEGCodec::FORMAT_SkBitmap, bitmap.width(), bitmap.height(),
-      bitmap.rowBytes(), 100, dest);
-}
-
-}  // namespace suggestions