Remove clips where we can show that they are unnecessary.

Source/core/rendering/RenderBlock.h

Index: Source/core/rendering/RenderBlock.h
diff --git a/Source/core/rendering/RenderBlock.h b/Source/core/rendering/RenderBlock.h
index feca5d0f8e64a69808f7c98801575248ae7c060e..4043701b8ec7d593a8c956323d4bf34f22ba4ae5 100644
--- a/Source/core/rendering/RenderBlock.h
+++ b/Source/core/rendering/RenderBlock.h
@@ -885,6 +885,9 @@ private:
     void paintSelection(PaintInfo&, const LayoutPoint&);
     void paintCaret(PaintInfo&, const LayoutPoint&, CaretType);
 
+    bool hasCaret() { return hasCaret(CursorCaret) || hasCaret(DragCaret); }
+    bool hasCaret(CaretType);
+
     FloatingObject* insertFloatingObject(RenderBox*);
     void removeFloatingObject(RenderBox*);
     void removeFloatingObjectsBelow(FloatingObject*, int logicalOffset);