Fix for wrong new tab button which remains after switching back from private tab Resolves brave/brave-browser#48776 Chromium changes: https://chromium.googlesource.com/chromium/src/+/372d5712f98aea3477c209ccef629e33358c3a35 commit 372d5712f98aea3477c209ccef629e33358c3a35 Author: Jingping Sun <jings@microsoft.com> Date: Mon Jul 14 20:07:00 2025 -0700 Reland "[Hub Bottombar]Separate the Hub action button to its own view component" This is a reland of commit c7df3539770ff84f4b14e939b52045b63eaeecc5 Original change's description: > [Hub Bottombar]Separate the Hub action button to its own view component > > Separate the action button from HubToolbarView so that it can be used > more flexibly. > > GTSU enabled action button: > https://drive.google.com/file/d/1N3qom-CJLKXZ0lTeqEzm__21EjeNcPJb/view?usp=sharing > GTUS disabled action button: > https://drive.google.com/file/d/1prSIG0RjZWXMO52GTdaStbRAwznU5KEh/view?usp=sharing > > Bug: 430332944 > Change-Id: I3e4081cb595e1c45f2ece4a1aac69a664d169c11 > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6717062 > Reviewed-by: Sky Malice <skym@chromium.org> > Reviewed-by: Calder Kitagawa <ckitagawa@chromium.org> > Reviewed-by: Madhav Pruthi <madhavpruthi@google.com> > Commit-Queue: Jingping Sun <jings@microsoft.com> > Cr-Commit-Position: refs/heads/main@{#1484424} Bug: 430332944 Change-Id: Ic519071af04318d8bfe4420fcac7384662bf7978 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6719110 Reviewed-by: Calder Kitagawa <ckitagawa@chromium.org> Reviewed-by: Brandon Fong <bjfong@google.com> Commit-Queue: Jingping Sun <jings@microsoft.com> Cr-Commit-Position: refs/heads/main@{#1486712} Co-authored-by: Artem Samoilenko <artem@brave.com>