Rename renderer() to layoutObject().

Source/modules/accessibility/AXSpinButton.cpp

 /*
  * Copyright (C) 2011 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 30 matching lines @@
     , m_spinButtonElement(0)
 {
 }
 
 AXSpinButton::~AXSpinButton()
 {
 }
 
 LayoutRect AXSpinButton::elementRect() const
 {
-    if (!m_spinButtonElement || !m_spinButtonElement->renderer())
+    if (!m_spinButtonElement || !m_spinButtonElement->layoutObject())
         return LayoutRect();
 
-    return LayoutRect(m_spinButtonElement->renderer()->absoluteFocusRingBoundingBoxRect());
+    return LayoutRect(m_spinButtonElement->layoutObject()->absoluteFocusRingBoundingBoxRect());
 }
 
 void AXSpinButton::detach()
 {
     AXObject::detach();
     m_spinButtonElement = 0;
 }
 
 void AXSpinButton::detachFromParent()
 {
@@ skipping 67 matching lines @@
     AXSpinButton* spinButton = toAXSpinButton(parentObject());
     if (m_isIncrementor)
         spinButton->step(1);
     else
         spinButton->step(-1);
 
     return true;
 }
 
 } // namespace blink