Assigning to bettes@ for the min size.

My suggestion here is to add just enough space for 1 additional character, which falls around 12dp and matches current stable. 

Unrelatedly, we're inconsistent in how we do truncation. Filed at  crbug.com/870158 

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Routing to pbos@

Is this bug just adding 12dp to kBookmarkBarMaxButtonWidth?

https://cs.chromium.org/chromium/src/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc?l=126&rcl=ce49639fbef25e273bcc072154c7abed2894d052

cyan@: Tag you're it.

I assume this is not a M69 merge candidate? Upping milestone, move back and P1 if otherwise.

Btw, this sounds equally arbitrary both before and after and will reduce the total number of bookmarks in the bar (which users will be loud about). Do we really need this change? This request looks like it's based on "up.googleplex.com" which is of arbitrary length.

Taking it back until we agree anything needs to be done here.

To be clear, I propose that we WontFix this. Consider  issue 868697  to get some (but not all) previous space back.

-> markchang@ for retriage.

re: c11, fair enough. 
WontFix sgtm as well