Bug 41659: Add canonical color definitions to base-browser

Merge Info

Related Issues

• #41659 (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

Issue Tracking

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

Change Description

Migrates the photon colors css to base-browser and performs some renaming of files to remove 'tor' where it makes sense, and fixes the subeqeunt commits that depend on these colours. Required to fix issue where the security level dropdown's warning color is not set in base-browser because the referenced css var does not exist. A test rebase including this patch set succeeds without merge conflicts ( resulting from these patches anyway >:[ ).

When merging only the Bug 41659: Add canonical color definitions to base-browser needs to be merged to base-browser whereas everything is needed for tor-browser