Sam Foster a5ef3ca65d Bug 1899598 - Hide the horizontal tab strip when vertical tabs are enabled. r=mconley,desktop-theme-reviewers,tabbrowser-reviewers,sidebar-reviewers,emilio,willdurand,sclements
* Remove the #titlebar element, and ensure toolbars that comprise the titlebar get a .browser-titlebar class
* Ensure we call TabBarVisibility.update when initializing with verticalTab=true
* Adjust TabBarVisibility logic so we allow for the vertical tabs case
* Give #navigator-toolbar z-index: var(--browser-area-z-index-toolbox) to ensure the urlbar view doesnt get clipped behind the lower elements

Differential Revision: https://phabricator.services.mozilla.com/D222059
2024-10-02 22:14:13 +00:00
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