When using the menu at the top, clicking on the link no longer works. Similarly, on myspace.com when viewing a user page that has the music player on it, clicking the pause button no longer works. So, it seems that somethings up with webkit and flash. Works fine in Safari and earlier versions of webkit. (r17566 works).
Hmm, I wonder if I broke this when fixing bug 7323. It seems that Flash gets an initial mousedown, but further event handling doesn't work.
Yep, I ran into this issue too. Regression occured between r17567 - r17582.
This is also filed as <rdar://problem/4820462>
Created attachment 11388 [details] proposed fix
Comment on attachment 11388 [details] proposed fix r=me
Committed revision 17611.