Chromium changes: https://chromium.googlesource.com/chromium/src/+/af52507108c6fe0f7cfda495aee2d256194266f2 commit af52507108c6fe0f7cfda495aee2d256194266f2 Author: Xi Han <hanxi@google.com> Date: Fri Apr 10 06:44:17 2026 -0700 [NtpRefacotr] Remove unused add|removeMostVisitedTileClickObserver. Bug: 487641528 Change-Id: Ia160a61ed693ddcd779b6936dfd28be057df2832 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7746025 Reviewed-by: Xinyi Ji <xinyiji@chromium.org> Auto-Submit: Xi Han <hanxi@chromium.org> Commit-Queue: Xi Han <hanxi@chromium.org> Cr-Commit-Position: refs/heads/main@{#1612819}