New args: signinAndHistorySyncActivityLauncher; activityResultTracker; modalDialogManagerSupplier; snackbarManager. Chromium change: https://source.chromium.org/chromium/chromium/src/+/0af385e0296806bb278d2c4b73e7e652d310def5 commit 0af385e0296806bb278d2c4b73e7e652d310def5 Author: quacksort <quacksort@google.com> Date: Tue Mar 24 06:59:26 2026 -0700 [Signin][Android] Migrate send tab to self sign-in to activity-less flow This is part of the effort to reduce reliance on SigninAndHistorySyncActivity by sign-in entry points. go/activityless-signin The new flow uses BottomSheetSigninAndHistorySyncCoordinator to handle the sign-in process, avoiding the need to launch a separate activity. Bug: 478814334 Change-Id: I0448875de416af5e3e48d1ac5f2eeb3d18e6efcc Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7647173 Reviewed-by: Anton Goncharenko <agonch@google.com> Commit-Queue: Lucia Giorgi <quacksort@google.com> Cr-Commit-Position: refs/heads/main@{#1604087}