Rename renderer() to layoutObject().

Source/core/layout/LayoutTheme.cpp

 /**
  * This file is part of the theme implementation for form controls in WebCore.
  *
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 805 matching lines @@
 
     double min = input->minimum();
     double max = input->maximum();
     ControlPart part = o->style()->appearance();
     // We don't support ticks on alternate sliders like MediaVolumeSliders.
     if (part !=  SliderHorizontalPart && part != SliderVerticalPart)
         return;
     bool isHorizontal = part ==  SliderHorizontalPart;
 
     IntSize thumbSize;
-    LayoutObject* thumbRenderer = input->closedShadowRoot()->getElementById(ShadowElementNames::sliderThumb())->renderer();
+    LayoutObject* thumbRenderer = input->closedShadowRoot()->getElementById(ShadowElementNames::sliderThumb())->layoutObject();
     if (thumbRenderer) {
         const LayoutStyle& thumbStyle = thumbRenderer->styleRef();
         int thumbWidth = thumbStyle.width().intValue();
         int thumbHeight = thumbStyle.height().intValue();
         thumbSize.setWidth(isHorizontal ? thumbWidth : thumbHeight);
         thumbSize.setHeight(isHorizontal ? thumbHeight : thumbWidth);
     }
 
     IntSize tickSize = sliderTickSize();
     float zoomFactor = o->style()->effectiveZoom();
     FloatRect tickRect;
     int tickRegionSideMargin = 0;
     int tickRegionWidth = 0;
     IntRect trackBounds;
-    LayoutObject* trackRenderer = input->closedShadowRoot()->getElementById(ShadowElementNames::sliderTrack())->renderer();
+    LayoutObject* trackRenderer = input->closedShadowRoot()->getElementById(ShadowElementNames::sliderTrack())->layoutObject();
     // We can ignoring transforms because transform is handled by the graphics context.
     if (trackRenderer)
         trackBounds = trackRenderer->absoluteBoundingBoxRectIgnoringTransforms();
     IntRect sliderBounds = o->absoluteBoundingBoxRectIgnoringTransforms();
 
     // Make position relative to the transformed ancestor element.
     trackBounds.setX(trackBounds.x() - sliderBounds.x() + rect.x());
     trackBounds.setY(trackBounds.y() - sliderBounds.y() + rect.y());
 
     if (isHorizontal) {
@@ skipping 392 matching lines @@
 
     // padding - not honored by WinIE, needs to be removed.
     style.resetPadding();
 
     // border - honored by WinIE, but looks terrible (just paints in the control box and turns off the Windows XP theme)
     // for now, we will not honor it.
     style.resetBorder();
 }
 
 } // namespace blink