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

Source/core/rendering/RenderBlock.h

Index: Source/core/rendering/RenderBlock.h
diff --git a/Source/core/rendering/RenderBlock.h b/Source/core/rendering/RenderBlock.h
index 9e75979774ece27fa2f3d130dcac765e95e42c1f..6aed7b406c086d8eb67e17fd907278ad5efebc17 100644
--- a/Source/core/rendering/RenderBlock.h
+++ b/Source/core/rendering/RenderBlock.h
@@ -84,10 +84,10 @@ public:
     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; }