Revert "Added support for animated/nonanimated user image. There are no"

chrome/browser/chromeos/login/user_image.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/chromeos/login/user_image.h"
-
-namespace chromeos {
-
-namespace {
-
-bool IsAnimatedImage(const UserImage::RawImage& data) {
-  const char kGIFStamp[] = "GIF";
-  const size_t kGIFStampLength = sizeof(kGIFStamp) - 1;
-
-  if (data.size() >= kGIFStampLength &&
-      memcmp(&data[0], kGIFStamp, kGIFStampLength) == 0) {
-    return true;
-  }
-  return false;
-}
-
-}  // namespace
-
-UserImage::UserImage(const gfx::ImageSkia& image)
-    : image_(image),
-      has_raw_image_(false),
-      has_animated_image_(false) {
-}
-
-UserImage::UserImage(const gfx::ImageSkia& image,
-                     const RawImage& raw_image)
-    : image_(image),
-      has_raw_image_(true),
-      has_animated_image_(IsAnimatedImage(raw_image)),
-      raw_image_(raw_image) {
-}
-
-UserImage::~UserImage() {}
-
-void UserImage::SetImage(const gfx::ImageSkia& image) {
-  image_ = image;
-  has_raw_image_ = false;
-  has_animated_image_ = false;
-  // Clear |raw_image_|.
-  RawImage().swap(raw_image_);
-}
-
-}  // namespace chromeos