Change RenderObject::style(bool) to accept an enum instead

Source/core/rendering/RenderSlider.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 26 matching lines @@
     : RenderFlexibleBox(element)
 {
     // We assume RenderSlider works only with <input type=range>.
     ASSERT(element->isRangeControl());
 }
 
 RenderSlider::~RenderSlider()
 {
 }
 
-int RenderSlider::baselinePosition(FontBaseline, bool /*firstLine*/, LineDirectionMode, LinePositionMode linePositionMode) const
+int RenderSlider::baselinePosition(FontBaseline, OwnOrFirstLineStyle, LineDirectionMode, LinePositionMode linePositionMode) const
 {
     ASSERT(linePositionMode == PositionOnContainingLine);
     // FIXME: Patch this function for writing-mode.
     return height() + marginTop();
 }
 
 void RenderSlider::computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const
 {
     maxLogicalWidth = defaultTrackLength * style()->effectiveZoom();
     if (!style()->width().isPercent())
@@ skipping 43 matching lines @@
 
     RenderFlexibleBox::layout();
 }
 
 bool RenderSlider::inDragMode() const
 {
     return sliderThumbElement()->active();
 }
 
 } // namespace WebCore