Bug 41759: Rebase Base Browser to 115 Nightly

Merge Info

Related Issues

• #41759 (closed)

Backport Timeline

• Immediate - patchsets for critical bug fixes or other major blocker (e.g. fixes for a 0-day exploit) OR patchsets with trivial changes which do not need testing (e.g. fixes for typos or fixes easily verified in a local developer build)

• Next Minor Stable Release - patchset that needs to be verified in nightly before backport

• Eventually - patchset that needs to be verified in alpha before backport

• No Backport - patchset for the next major stable

• Upstream Merging

  • Merge to base-browser - typically for !fixups to patches in the base-browser branch, though sometimes new patches as well
    • NOTE: if your changeset includes patches to both base-browser and tor-browser please please make separate merge requests for each part
    • This is Base Browser MR actually

Issue Tracking

• Link resolved issues with appropriate Release Prep issue for changelog generation

Change Description

The MR is finally here!

Every small conflict/change is hopefully already documented in the related issue!

I've built locally only for Linux. The tor-browser-build part isn't ready yet.

You will need Rust >= 1.65.0. Clang 14 still works.

@richard @dan @ma1 @henry