Implement interfaces in PaintInfo and make it a class.

Source/core/rendering/RenderFrameSet.cpp

Index: Source/core/rendering/RenderFrameSet.cpp
diff --git a/Source/core/rendering/RenderFrameSet.cpp b/Source/core/rendering/RenderFrameSet.cpp
index 5849e1437ff608465e7b62525c3f44eb7b3d12da..c4f12f2c0600a5ef4f8ab039caf5468668ddfb8d 100644
--- a/Source/core/rendering/RenderFrameSet.cpp
+++ b/Source/core/rendering/RenderFrameSet.cpp
@@ -76,15 +76,15 @@ static Color borderFillColor()
     return Color(208, 208, 208);
 }
 
-void RenderFrameSet::paintColumnBorder(const PaintInfo& paintInfo, const IntRect& borderRect)
+void RenderFrameSet::paintColumnBorder(PaintInfo& paintInfo, const IntRect& borderRect)
 {
-    if (!paintInfo.rect.intersects(borderRect))
+    if (!paintInfo.getRect().intersects(borderRect))
         return;
 
     // FIXME: We should do something clever when borders from distinct framesets meet at a join.
 
     // Fill first.
-    GraphicsContext* context = paintInfo.context;
+    GraphicsContext* context = paintInfo.getContext();
     context->fillRect(borderRect, frameSet()->hasBorderColor() ? resolveColor(CSSPropertyBorderLeftColor) : borderFillColor());
 
     // Now stroke the edges but only if we have enough room to paint both edges with a little
@@ -95,15 +95,15 @@ void RenderFrameSet::paintColumnBorder(const PaintInfo& paintInfo, const IntRect
     }
 }
 
-void RenderFrameSet::paintRowBorder(const PaintInfo& paintInfo, const IntRect& borderRect)
+void RenderFrameSet::paintRowBorder(PaintInfo& paintInfo, const IntRect& borderRect)
 {
-    if (!paintInfo.rect.intersects(borderRect))
+    if (!paintInfo.getRect().intersects(borderRect))
         return;
 
     // FIXME: We should do something clever when borders from distinct framesets meet at a join.
 
     // Fill first.
-    GraphicsContext* context = paintInfo.context;
+    GraphicsContext* context = paintInfo.getContext();
     context->fillRect(borderRect, frameSet()->hasBorderColor() ? resolveColor(CSSPropertyBorderLeftColor) : borderFillColor());
 
     // Now stroke the edges but only if we have enough room to paint both edges with a little
@@ -118,7 +118,7 @@ void RenderFrameSet::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     ANNOTATE_GRAPHICS_CONTEXT(paintInfo, this);
 
-    if (paintInfo.phase != PaintPhaseForeground)
+    if (paintInfo.getPhase() != PaintPhaseForeground)
         return;
 
     RenderObject* child = firstChild();