https://bugs.webkit.org/show_bug.cgi?id=87491

This patch updates the CSSOM property name overflow to overset. There are no changes in functionality.
Link to spec: http://www.w3.org/TR/2012/WD-css3-regions-20120503/

Source/WebCore:

Patch by Andrei Bucur <abucur@adobe.com> on 2012-05-29
Reviewed by Andreas Kling.

Test: fast/regions/webkit-named-flow-overset.html

* dom/WebKitNamedFlow.cpp:
(WebCore::WebKitNamedFlow::overset):
* dom/WebKitNamedFlow.h:
(WebKitNamedFlow):
* dom/WebKitNamedFlow.idl:
* rendering/RenderFlowThread.cpp:
(WebCore::RenderFlowThread::RenderFlowThread):
(WebCore::RenderFlowThread::computeOverflowStateForRegions):
* rendering/RenderFlowThread.h:

LayoutTests:

The test was refactored to be more similar to the other script tests (by using make-new-script-test)

Patch by Andrei Bucur <abucur@adobe.com> on 2012-05-29
Reviewed by Andreas Kling.

* fast/regions/webkit-named-flow-overflow-expected.txt: Removed.
* fast/regions/webkit-named-flow-overflow.html: Removed.
* fast/regions/webkit-named-flow-overset-expected.txt: Added.
* fast/regions/webkit-named-flow-overset.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@118767 268f45cc-cd09-0410-ab3c-d52691b4dbfc