Bug 526394. Don't paint synchronously when updating after scrolling. r=mats

view/src/nsViewManager.cpp

@@ -669,7 +669,6 @@ nsViewManager::UpdateViewAfterScroll(nsView *aView,
     GetViewObserver()->NotifyInvalidateForScrolledView(blit, update);
   }
 
-  Composite();
   --RootViewManager()->mScrollCnt;
 }