Version: Chrome built from master branch
OS: Linux

What steps will reproduce the problem?
(1) Build Chrome from master branch and run it
(2) Move mouse to the top-right three dots.
(3) Click it

What is the expected output?
(2) should show a tooltip "Customize and control Google Chrome"
(3) should show a menu.

What do you see instead?
(2) a black rectangular with no text
(3) a black rectangular with no menu


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