Remove RenderObject::checkForPaintInvalidation()

Source/core/rendering/RenderObject.cpp

Index: Source/core/rendering/RenderObject.cpp
diff --git a/Source/core/rendering/RenderObject.cpp b/Source/core/rendering/RenderObject.cpp
index 39bbfe7edebad4467f8fafcc8d80bae8e3a8b8ae..665eb2e880695a93b260ce38a23f1b26a25cb81c 100644
--- a/Source/core/rendering/RenderObject.cpp
+++ b/Source/core/rendering/RenderObject.cpp
@@ -1370,11 +1370,6 @@ void RenderObject::invalidatePaintForOverflowIfNeeded()
         invalidatePaintForOverflow();
 }
 
-bool RenderObject::checkForPaintInvalidation() const
-{
-    return !document().view()->needsFullPaintInvalidation() && everHadLayout();
-}
-
 LayoutRect RenderObject::rectWithOutlineForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, LayoutUnit outlineWidth, const PaintInvalidationState* paintInvalidationState) const
 {
     LayoutRect r(clippedOverflowRectForPaintInvalidation(paintInvalidationContainer, paintInvalidationState));