Chromium changes: https://chromium.googlesource.com/chromium/src/+/4662ff011b11bc82c9a90e0c9faeb576a6a803d5 commit 4662ff011b11bc82c9a90e0c9faeb576a6a803d5 Author: Masa Fujita <massan@google.com> Date: Fri Feb 20 07:19:57 2026 -0800 flyout: Create SubmenuHeaderFactory in AppMenuHandlerImpl For some reason, `SubmenuHeaderFactory` was created inside `RootUiCoordinator`. This CL cleans things up by moving the construction to `AppMenuHandlerImpl` in preparation of the next CL. Bug: 438629323 Change-Id: Id5463ded1a1911bb4efda4c1c7893ce143b50616 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7596797 Reviewed-by: Calder Kitagawa <ckitagawa@chromium.org> Commit-Queue: Masa Fujita <massan@google.com> Cr-Commit-Position: refs/heads/main@{#1587814}