@burnout426 I need bookmark bar in all tabs because I have saved some JavaScript bookmarks in them to perform some tasks. And I am not a fan of hover also.
The most easiest options for me seems are - (1) access the bookmarks from sidebar whenever needed. They are just a click away. (2) Use shortcut keys to toggle showing bookmark bar whenever needed.
However there is a problem with the first option as the JavaScript bookmarks won't work because the bookmark popup window is considered separate window than the currently opened tab.