[Mac] Do not lock bar visibility when the bookmark bar is detached.
treeebab8b2992afb21acb148a0904d46780db5a2ff8
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-rw-r--r-- 7955 DEPS
-rw-r--r-- 1563 LICENSE
-rw-r--r-- 7319 PRESUBMIT.py
-rw-r--r-- 5095 WATCHLISTS
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drwxr-xr-x - sandbox
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