Move paint code from RenderImage/RenderVideo into ImagePainter/VideoPainter.

Source/core/rendering/RenderReplaced.h

Index: Source/core/rendering/RenderReplaced.h
diff --git a/Source/core/rendering/RenderReplaced.h b/Source/core/rendering/RenderReplaced.h
index a8b998a25d9a226a48b969bcfc2234f64544efef..ba6fb75f3722171e25e65a64beb2183354bb7081 100644
--- a/Source/core/rendering/RenderReplaced.h
+++ b/Source/core/rendering/RenderReplaced.h
@@ -45,6 +45,8 @@ public:
     static const int defaultWidth;
     static const int defaultHeight;
 
+    virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
+
 protected:
     virtual void willBeDestroyed() OVERRIDE;
 
@@ -68,7 +70,6 @@ protected:
     void setIntrinsicSize(const LayoutSize& intrinsicSize) { m_intrinsicSize = intrinsicSize; }
     virtual void intrinsicSizeChanged();
 
-    virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
     bool shouldPaint(PaintInfo&, const LayoutPoint&);
     LayoutRect localSelectionRect(bool checkWhetherSelected = true) const; // This is in local coordinates, but it's a physical rect (so the top left corner is physical top left).
     virtual RenderBox* embeddedContentBox() const { return 0; }