Chromium changes: https://chromium.googlesource.com/chromium/src/+/52326afd1d0ccf8396c4f7c579f802e695107e57 commit 52326afd1d0ccf8396c4f7c579f802e695107e57 Author: Wenyu Fu <wenyufu@chromium.org> Date: Wed Jan 14 17:39:10 2026 -0800 [M145] [BrowserControls] Allow adjustment tab strip height during startup Original change's description: > [BrowserControls] Allow adjustment tab strip height during startup > > Part 2 of the complete POC: crrev.com/c/7427223 > > Create TabStripTransitionCoordinator early, before native is ready, so > we can just the toolbar's position and tab strip height immediately when > the app header insets are updated. This change reduced the frame jumps > when Chrome is launched in the desktop windowing mode. > > Demo: https://screencast.googleplex.com/cast/NTQ2MTQwNTQ5Mzg4Njk3NnwxYTNhMGI0OS1kYw > Bug: 449166259 > Change-Id: I3d622413fc60799043a772fd9eceaec8d3448cb3 > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7428008 > Commit-Queue: Wenyu Fu <wenyufu@chromium.org> > Reviewed-by: Sirisha Kavuluru <skavuluru@google.com> > Reviewed-by: Aishwarya Rajesh <aishwaryarj@google.com> > Cr-Commit-Position: refs/heads/main@{#1568757} (cherry picked from commit ac378f67ffd0ea2887a4832c4556e75c60970c4d) Bug: 475629875,449166259 Change-Id: I3d622413fc60799043a772fd9eceaec8d3448cb3 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7473730 Auto-Submit: Chrome Cherry Picker <chrome-cherry-picker@chops-service-accounts.iam.gserviceaccount.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Cr-Commit-Position: refs/branch-heads/7632@{#92} Cr-Branched-From: 0bbdf2913883391365383b0a5dfe7bf9fd1a5213-refs/heads/main@{#1568190}