Move paint code from RenderFlexibleBox to BlockPainter.

Source/core/rendering/RenderFlexibleBox.cpp

Index: Source/core/rendering/RenderFlexibleBox.cpp
diff --git a/Source/core/rendering/RenderFlexibleBox.cpp b/Source/core/rendering/RenderFlexibleBox.cpp
index 3a948cb7201ad76ee5b9b8a7be06f21007b20e34..e331b5dea59c7dc39c0c7b1ffe9d7b063aa5044e 100644
--- a/Source/core/rendering/RenderFlexibleBox.cpp
+++ b/Source/core/rendering/RenderFlexibleBox.cpp
@@ -282,8 +282,7 @@ void RenderFlexibleBox::appendChildFrameRects(ChildFrameRects& childFrameRects)
 
 void RenderFlexibleBox::paintChildren(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
-    for (RenderBox* child = m_orderIterator.first(); child; child = m_orderIterator.next())
-        BlockPainter(*this).paintChildAsInlineBlock(child, paintInfo, paintOffset);
+    BlockPainter::paintChildrenOfFlexibleBox(*this, paintInfo, paintOffset);
 }
 
 void RenderFlexibleBox::repositionLogicalHeightDependentFlexItems(Vector<LineContext>& lineContexts)