Move line painting to BlockFlowPainter.

third_party/WebKit/Source/core/paint/BlockFlowPainter.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BlockFlowPainter_h
 #define BlockFlowPainter_h
 
 #include "wtf/Allocator.h"
 
 namespace blink {
 
 class LayoutPoint;
 struct PaintInfo;
 class LayoutBlockFlow;
 
 class BlockFlowPainter {
     STACK_ALLOCATED();
 public:
     BlockFlowPainter(const LayoutBlockFlow& layoutBlockFlow) : m_layoutBlockFlow(layoutBlockFlow) { }
+    void paintContents(const PaintInfo&, const LayoutPoint&);
     void paintFloats(const PaintInfo&, const LayoutPoint&);
+
 private:
     const LayoutBlockFlow& m_layoutBlockFlow;
 };
 
 } // namespace blink
 
 #endif // BlockFlowPainter_h