Ting-Yu Lin e63f8dd3e4 Bug 1197739 - Do not change focus too early unless the frame is selectable. r=roc
Split |ChangeFocus| into two separate functions: |GetFocusableFrame| and
|ChangeFocusToOrClearOldFocus|.

We should only change the focus to the focusable frame until
AccessibleCaretManager is going to:

1) Dispatch CaretStateChangedEvent on an empty editable field.
2) Select a word on a selectable frame.

--HG--
extra : transplant_source : %C9v%F6%9B%EE%85y%9B0%AD8%CB%1B%E1%22%98%DE%D5%B9e
2015-08-27 16:55:33 -04:00
..