TBB Mac browser builds do not have omni.ja
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While working on #3944 (closed), Mark and I realized that the Mac browser does not include the omni.ja file. Windows and Linux builds do include the omni.ja file so this is a Mac-specific issue.
The presence of this file improves performance. See https://developer.mozilla.org/en-US/docs/Mozilla/About_omni.ja_%28formerly_omni.jar%29
It is created during the packaging step of the Firefox build process, which means we need to run a command like this from the top of the Mozilla source tree: make -f client.mk package
Please reassign, prioritize, etc.