Rename renderer() to layoutObject().

Source/modules/accessibility/AXSlider.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 127 matching lines @@
 PassRefPtr<AXSliderThumb> AXSliderThumb::create(AXObjectCacheImpl* axObjectCache)
 {
     return adoptRef(new AXSliderThumb(axObjectCache));
 }
 
 LayoutRect AXSliderThumb::elementRect() const
 {
     if (!m_parent)
         return LayoutRect();
 
-    LayoutObject* sliderLayoutObject = m_parent->renderer();
+    LayoutObject* sliderLayoutObject = m_parent->layoutObject();
     if (!sliderLayoutObject || !sliderLayoutObject->isSlider())
         return LayoutRect();
     return toElement(sliderLayoutObject->node())->closedShadowRoot()->getElementById(ShadowElementNames::sliderThumb())->boundingBox();
 }
 
 bool AXSliderThumb::computeAccessibilityIsIgnored() const
 {
     return accessibilityIsIgnoredByDefault();
 }
 
 } // namespace blink