Chromium change: https://source.chromium.org/chromium/chromium/src/+/45b9c87963d6a0800767ad546268d98415cb84c6 commit 45b9c87963d6a0800767ad546268d98415cb84c6 Author: Sophie Crowley <crowleso@google.com> Date: Fri Apr 10 09:59:05 2026 -0700 [M148] [Signin][Android] Add SigninButton phone transitions Original change's description: > [Signin][Android] Add SigninButton phone transitions > > Adds a sliding transition for the NTP SigninButton, e.g. when switching > from non-NTP optional button to NTP Signin button, when switching from > incognito to button appearing in new non-incognito tab. > > Emulator screen-recording of transition example found in > https://crbug.com/478828569#comment28 and https://crbug.com/478828569#comment29 > > Bug: 478828569 > Change-Id: I19130b3a239fa51b7d476b818f4fb993bb0c420c > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7686413 > Reviewed-by: Samar Chehade <samarchehade@google.com> > Commit-Queue: Sophie Crowley <crowleso@google.com> > Reviewed-by: Matthew Jones <mdjones@chromium.org> > Cr-Commit-Position: refs/heads/main@{#1611555} (cherry picked from commit a777d6df94430540ae583f34a478187ee0eb9c88) Bug: 500967903,478828569 Change-Id: I19130b3a239fa51b7d476b818f4fb993bb0c420c Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7748521 Auto-Submit: Chrome Cherry Picker <chrome-cherry-picker@chops-service-accounts.iam.gserviceaccount.com> Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Cr-Commit-Position: refs/branch-heads/7778@{#231} Cr-Branched-From: 77f495ee216d4c3cc784d33658bad4778c0680ee-refs/heads/main@{#1610480}