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 c440d3f690d34dc248526b641b88aa32179fece0..f21bd95ab0b2d1d4f627689b9677170452352e68 100644
--- a/Source/core/rendering/RenderBlock.h
+++ b/Source/core/rendering/RenderBlock.h
@@ -881,6 +881,9 @@ private:
     void paintSelection(PaintInfo&, const LayoutPoint&);
     void paintCaret(PaintInfo&, const LayoutPoint&, CaretType);
 
+    bool hasCaret() const { return hasCaret(CursorCaret) || hasCaret(DragCaret); }
+    bool hasCaret(CaretType) const;
+
     FloatingObject* insertFloatingObject(RenderBox*);
     void removeFloatingObject(RenderBox*);
     void removeFloatingObjectsBelow(FloatingObject*, int logicalOffset);