Get rid of remaining uses of AXObject::elementRect

third_party/WebKit/Source/modules/accessibility/AXSlider.h

Index: third_party/WebKit/Source/modules/accessibility/AXSlider.h
diff --git a/third_party/WebKit/Source/modules/accessibility/AXSlider.h b/third_party/WebKit/Source/modules/accessibility/AXSlider.h
index 080c25148d25652654e0b5ed349ab11484b120e9..398c0203cb420079928ec3b20df050e53e460431 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXSlider.h
+++ b/third_party/WebKit/Source/modules/accessibility/AXSlider.h
@@ -72,12 +72,11 @@ public:
 
     AccessibilityRole roleValue() const override { return SliderThumbRole; }
 
-    LayoutRect elementRect() const override;
-
 private:
     explicit AXSliderThumb(AXObjectCacheImpl&);
 
     bool computeAccessibilityIsIgnored(IgnoredReasons* = nullptr) const override;
+    LayoutObject* layoutObjectForRelativeBounds() const override;
 };