GitLab

During a cleanup https://codereview.chromium.org/1148563004 the image
Request class was renamed to ImageRequest. However, the file name was
kept as request.js. Make the class and its file name the same.

Bug: 903742
Change-Id: I6f2d7bbfb6f3f94001d0cd1e629fc27f83061c45
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2245429Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Commit-Queue: Bo Majewski <majewski@chromium.org>
Cr-Commit-Position: refs/heads/master@{#779705}