As much as I like the look of some of the beautiful work on Unity, and
how well it runs at times, and the potential it has, I don't think it
should be up to the window manager to determine how the menus of
applications look. In all sincerity I believe there are too many
different options possible,
This info may be of some use, tracking this bug down (considering it may
have to do with javascript or browsers in general for the issue).
Javascript engine:
Firefox: SpiderMonkey (?)
Chrome: V8
Epiphany: Unable to say with any degree of certainty
Layout Engine:
Firefox: Gecko
Chrome: Webkit
Epip
These bug reports maybe related and handy as well:
https://bugs.launchpad.net/ubuntu/+source/human-theme/+bug/293637
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/294972
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/89267
https://bugs.launchpad.net/ubuntu/+source/xulrunner-1.9
Similar bug filed here:
https://bugs.launchpad.net/ubuntu/+source/flashplugin-nonfree/+bug/225165
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https://bugs.launchpad.net/bugs/636475
Title:
Very high CPU used by Firefox Flashplay
It happens in other browsers such as Epiphany as well in Gnome Shell with the
Adobe Flash Plugin.
But also in firefox with moonlight 4 or gnash for example. While in Minitube
for example cpu usage remains quite a bit lower.
So, based on some info found, there might possible be a different
prob