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

Source/core/rendering/RenderBlock.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 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.
@@ skipping 66 matching lines @@
     // If you have a RenderBlock, use firstChild or lastChild instead.
     void slowFirstChild() const WTF_DELETED_FUNCTION;
     void slowLastChild() const WTF_DELETED_FUNCTION;
 
     const RenderObjectChildList* children() const { return &m_children; }
     RenderObjectChildList* children() { return &m_children; }
 
     bool beingDestroyed() const { return m_beingDestroyed; }
 
     // These two functions are overridden for inline-block.
-    virtual LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE FINAL;
-    virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE;
+    virtual LayoutUnit lineHeight(OwnOrFirstLineStyle, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE FINAL;
+    virtual int baselinePosition(FontBaseline, OwnOrFirstLineStyle, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE;
 
-    LayoutUnit minLineHeightForReplacedRenderer(bool isFirstLine, LayoutUnit replacedHeight) const;
+    LayoutUnit minLineHeightForReplacedRenderer(OwnOrFirstLineStyle, LayoutUnit replacedHeight) const;
 
     RenderLineBoxList* lineBoxes() { return &m_lineBoxes; }
 
     InlineFlowBox* firstLineBox() const { return m_lineBoxes.firstLineBox(); }
     InlineFlowBox* lastLineBox() const { return m_lineBoxes.lastLineBox(); }
 
     // FIXME-BLOCKFLOW: Remove virtualizaion when all callers have moved to RenderBlockFlow
     virtual void deleteLineBoxTree();
 
     virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE;
@@ skipping 444 matching lines @@
     // FIXME: This is temporary as we move code that accesses block flow
     // member variables out of RenderBlock and into RenderBlockFlow.
     friend class RenderBlockFlow;
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderBlock, isRenderBlock());
 
 } // namespace WebCore
 
 #endif // RenderBlock_h