[8] Request for review: 7150105 [macosx] four scroll-buttons don't display. scroll-sliders cursors are TextCursor.

[Alexander Potochkin]

Hello Sergey

looks good

alexp
> Hi Everyone,
> A subcomponents may want to override the cursor over some of their 
> parts(LWTextAreaPeer changes the cursor over scrollbars).
>
> Changes description:
> 1. LWComponentPeer.java:
>    - Just one method added getCursor();
>
> 2. LWCursorManager.java:
>    - updateCursorImpl now use LWComponentPeer.getCursor() if applicable.
>    - cleanup + TODO implemented "// TODO: it's possible to get the 
> component under cursor directly as"
>
> 3. LWTextAreaPeer.java:
>    - Changes the cursor over scrollbars.
>
> 4. LWWindowPeer.java:
>    - We should update cursor even on MOUSE_EXIT event.
>
> 5. CCursorManager.java:
>    - currentCursor was always null. Unused method getNativeWindow() 
> removed.
>
> Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7150105
> Webrev can be found at: 
> http://cr.openjdk.java.net/~serb/7150105/webrev.00/
>