Move painting code for tables into *Paint classes.

Source/core/rendering/RenderTable.h

Index: Source/core/rendering/RenderTable.h
diff --git a/Source/core/rendering/RenderTable.h b/Source/core/rendering/RenderTable.h
index 650c1587797e7e4a40d1c7ee36fc487bd67beffd..fbcb9d726a6a5b9ea0eed5fb95b2847137af729c 100644
--- a/Source/core/rendering/RenderTable.h
+++ b/Source/core/rendering/RenderTable.h
@@ -245,6 +245,7 @@ public:
         m_collapsedBorders.clear();
     }
     const CollapsedBorderValue* currentBorderValue() const { return m_currentBorder; }
+    void setCurrentBorderValue(const CollapsedBorderValue* val) { m_currentBorder = val; }

[mstensho (USE GERRIT), 2014/09/19 10:50:11]

m_currentBorder is for painting. So am I right in thinking that it doesn't
really belong in a renderer class? I'm wondering if you should add a FIXME for
this.

[chrishtr, 2014/09/19 16:35:24]

Done.

 
     bool hasSections() const { return m_head || m_foot || m_firstBody; }
 
@@ -268,6 +269,14 @@ public:
     void addColumn(const RenderTableCol*);
     void removeColumn(const RenderTableCol*);
 
+    // FIXME: get rid of this method and move to paint/
+    virtual void paintBoxDecorationBackground(PaintInfo&, const LayoutPoint&) OVERRIDE;

[mstensho (USE GERRIT), 2014/09/19 10:50:11]

If the above comment only refers to this method, I think there should be a blank
line after this declaration.

[chrishtr, 2014/09/19 16:35:24]

Done.

+    virtual void paintMask(PaintInfo&, const LayoutPoint&) OVERRIDE;
+
+    const CollapsedBorderValues& collapsedBorders() { return m_collapsedBorders; }
+    void subtractCaptionRect(LayoutRect&) const;
+    void recalcCollapsedBorders();
+
 protected:
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
     virtual void simplifiedNormalFlowLayout() OVERRIDE;
@@ -279,8 +288,6 @@ private:
 
     virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
     virtual void paintObject(PaintInfo&, const LayoutPoint&) OVERRIDE;
-    virtual void paintBoxDecorationBackground(PaintInfo&, const LayoutPoint&) OVERRIDE;
-    virtual void paintMask(PaintInfo&, const LayoutPoint&) OVERRIDE;
     virtual void layout() OVERRIDE;
     virtual void computeIntrinsicLogicalWidths(LayoutUnit& minWidth, LayoutUnit& maxWidth) const OVERRIDE;
     virtual void computePreferredLogicalWidths() OVERRIDE;
@@ -304,9 +311,6 @@ private:
 
     virtual void addOverflowFromChildren() OVERRIDE;
 
-    void subtractCaptionRect(LayoutRect&) const;
-
-    void recalcCollapsedBorders();
     void recalcSections() const;
     void layoutCaption(RenderTableCaption*);