Harden FrameSelection methods against JS running inside recalcStyle

Source/core/rendering/RenderView.cpp

Index: Source/core/rendering/RenderView.cpp
diff --git a/Source/core/rendering/RenderView.cpp b/Source/core/rendering/RenderView.cpp
index 474aff60ac86d42698d581938b1dadec7dea9da3..f6e17d4281e0adf52011019c95e3fbe374d65067 100644
--- a/Source/core/rendering/RenderView.cpp
+++ b/Source/core/rendering/RenderView.cpp
@@ -628,8 +628,6 @@ static RenderObject* rendererAfterPosition(RenderObject* object, unsigned offset
 
 IntRect RenderView::selectionBounds(bool clipToVisibleContent) const
 {
-    document().updateStyleIfNeeded();

[eseidel, 2013/09/27 23:04:27]

Should these be ASSERT(!document->needsStylin())

-
     typedef HashMap<RenderObject*, OwnPtr<RenderSelectionInfo> > SelectionMap;
     SelectionMap selectedObjects;
 
@@ -670,8 +668,6 @@ IntRect RenderView::selectionBounds(bool clipToVisibleContent) const
 
 void RenderView::repaintSelection() const
 {
-    document().updateStyleIfNeeded();
-
     HashSet<RenderBlock*> processedBlocks;
 
     RenderObject* end = rendererAfterPosition(m_selectionEnd, m_selectionEndPos);