image_downloader.cc 634 B

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  1. // Copyright 2020 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "ash/public/cpp/image_downloader.h"
  5. #include "base/check_op.h"
  6. namespace ash {
  7. namespace {
  8. ImageDownloader* g_image_downloader = nullptr;
  9. }
  10. // static
  11. ImageDownloader* ImageDownloader::Get() {
  12. return g_image_downloader;
  13. }
  14. ImageDownloader::ImageDownloader() {
  15. DCHECK(!g_image_downloader);
  16. g_image_downloader = this;
  17. }
  18. ImageDownloader::~ImageDownloader() {
  19. DCHECK_EQ(g_image_downloader, this);
  20. g_image_downloader = nullptr;
  21. }
  22. } // namespace ash