Move paint code from RenderFlexibleBox to BlockPainter.

Source/core/paint/BlockPainter.cpp

Index: Source/core/paint/BlockPainter.cpp
diff --git a/Source/core/paint/BlockPainter.cpp b/Source/core/paint/BlockPainter.cpp
index 0c66bbc76c2609531ee2c902b5caccb05c37f56d..03502a5447999cae1bc368faeddb56541ba2d898 100644
--- a/Source/core/paint/BlockPainter.cpp
+++ b/Source/core/paint/BlockPainter.cpp
@@ -16,6 +16,7 @@
 #include "core/rendering/GraphicsContextAnnotator.h"
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/RenderBlock.h"
+#include "core/rendering/RenderFlexibleBox.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RenderLayer.h"
 #include "platform/geometry/LayoutPoint.h"
@@ -86,6 +87,12 @@ void BlockPainter::paintChild(RenderBox* child, PaintInfo& paintInfo, const Layo
         child->paint(paintInfo, childPoint);
 }
 
+void BlockPainter::paintChildrenOfFlexibleBox(RenderFlexibleBox& renderFlexibleBox, PaintInfo& paintInfo, const LayoutPoint& paintOffset)
+{
+    for (RenderBox* child = renderFlexibleBox.orderIterator().first(); child; child = renderFlexibleBox.orderIterator().next())
+        BlockPainter(renderFlexibleBox).paintChildAsInlineBlock(child, paintInfo, paintOffset);
+}
+
 void BlockPainter::paintChildAsInlineBlock(RenderBox* child, PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     LayoutPoint childPoint = m_renderBlock.flipForWritingModeForChild(child, paintOffset);