Unreviewed. Update bot config for OpenSource bots to add two new Win7 Debug testers and get rid of WinXP Debug testers.

* BuildSlaveSupport/build.webkit.org-config/config.json:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143824 268f45cc-cd09-0410-ab3c-d52691b4dbfc
RenderLayer::scrollTo() should call FrameLoaderClient::didChangeScrollOffset()
https://bugs.webkit.org/show_bug.cgi?id=110673
-and corresponding-
<rdar://problem/13258596>

Reviewed by Sam Weinig.

FrameLoaderClient::didChangeScrollOffset() doesn't get called for web pages that
have overflow on the body. We can easily address this by calling it at the 
end of RenderLayer::scrollTo().

* rendering/RenderLayer.cpp:
(WebCore::RenderLayer::scrollTo):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143825 268f45cc-cd09-0410-ab3c-d52691b4dbfc