Chromium changes: https://chromium.googlesource.com/chromium/src/+/987491a33cac6fd9e68a3fe310fa3731bb9deb87 commit 987491a33cac6fd9e68a3fe310fa3731bb9deb87 Author: Hailey Wang <haileywang@google.com> Date: Mon Apr 13 19:38:50 2026 -0700 [Glic] Add isPanelShowingForBrowser check to toolbar button Tracks the panel open state via GlobalShowHideObserver and isPanelShowingForBrowser. Did a small readability refactor for updateButtonState. Bug: 485624827 Change-Id: Ic986e11bff70bdc52653518d309f79059828d2f5 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7728992 Reviewed-by: Wenyu Fu <wenyufu@chromium.org> Commit-Queue: Hailey Wang <haileywang@google.com> Cr-Commit-Position: refs/heads/main@{#1614158}