1. install https://chrome.google.com/webstore/detail/space/hepnfgiockihbakjbhonkinpagbkaobo?hl=en-GB 2. caption buttons should be white, but they're grey 3. press f11 twice to toggle fullscreen 4. now caption buttons are white
FWIW step (3) can be re-written as "do anything to make the frame repaint", including for example resizing the window.
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/7665435ec16705f26cf15259d28b89d24ec80699 commit 7665435ec16705f26cf15259d28b89d24ec80699 Author: Evan Stade <estade@chromium.org> Date: Thu May 10 18:54:47 2018 cros: Fix initial appearance of themed browser window's caption buttons. Bug: 839955 Change-Id: Ib8897bc667a0896f3f6cf607005738c6fbfc920d Reviewed-on: https://chromium-review.googlesource.com/1048975 Commit-Queue: Evan Stade <estade@chromium.org> Reviewed-by: Qiang Xu <warx@google.com> Reviewed-by: Scott Violet <sky@chromium.org> Cr-Commit-Position: refs/heads/master@{#557605} [modify] https://crrev.com/7665435ec16705f26cf15259d28b89d24ec80699/ash/frame/caption_buttons/frame_caption_button.cc [modify] https://crrev.com/7665435ec16705f26cf15259d28b89d24ec80699/ash/frame/caption_buttons/frame_caption_button.h [modify] https://crrev.com/7665435ec16705f26cf15259d28b89d24ec80699/ash/frame/custom_frame_header.cc [modify] https://crrev.com/7665435ec16705f26cf15259d28b89d24ec80699/ash/frame/custom_frame_header.h [modify] https://crrev.com/7665435ec16705f26cf15259d28b89d24ec80699/chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.cc [modify] https://crrev.com/7665435ec16705f26cf15259d28b89d24ec80699/chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.h [modify] https://crrev.com/7665435ec16705f26cf15259d28b89d24ec80699/chrome/browser/ui/views/frame/browser_non_client_frame_view_ash_browsertest.cc
Comment 1 by est...@chromium.org
, May 9 2018