a string
* fixed profiling of message processsing in ServerWindow (didn't take batch
processing into account)
* accelerated ViewLayer::RebuildClipping() by a factor of two by avoiding
BRegion::Exclude(clipping_rect) for each child, and instead building
one region with all children, and excluding that. RebuildClipping() is
quite a common operation and is quite slow for views with many children
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21646 a95241bf-73f2-0310-859d-f6bbb57e9c96