4685768: A11y issue - Focus set to disabled component, can't Tab/Shift-Tab
Summary: The restore-focus procedure should skip disabled components.
Reviewed-by: art, dcherepanov
1cc8dd79fd1cd13d36b385196271a29632c67c3b jdk7-b24
bf2517e15f0c0f950e5b3143c4ca11e2df73dcc1 jdk7-b25
5ae7db536e3fcf6be78e45b240a9058095e0ed38 jdk7-b26
67052ac87fc927d048e62ec54ff42adb230d3f7c jdk7-b27