Update offline badge check mark color for dark mode

Bug: 951228
Change-Id: I08d987d9fecaea9eabb2d94dec97eb61728ff15b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1580481
Reviewed-by: Becky Zhou <huayinz@chromium.org>
Reviewed-by: Theresa <twellington@chromium.org>
Commit-Queue: Sinan Sahin <sinansahin@google.com>
Cr-Commit-Position: refs/heads/master@{#653868}
2 files changed