Move rendering/RenderObject to layout/LayoutObject.

Source/core/layout/line/LineWidth.cpp

 /*
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 87 matching lines @@
 
     computeAvailableWidthFromLeftAndRight();
 }
 
 void LineWidth::commit()
 {
     m_committedWidth += m_uncommittedWidth;
     m_uncommittedWidth = 0;
 }
 
-void LineWidth::applyOverhang(LayoutRubyRun* rubyRun, RenderObject* startRenderer, RenderObject* endRenderer)
+void LineWidth::applyOverhang(LayoutRubyRun* rubyRun, LayoutObject* startRenderer, LayoutObject* endRenderer)
 {
     int startOverhang;
     int endOverhang;
     rubyRun->getOverhang(m_isFirstLine, startRenderer, endRenderer, startOverhang, endOverhang);
 
     startOverhang = std::min<int>(startOverhang, m_committedWidth);
     m_availableWidth += startOverhang;
 
     endOverhang = std::max(std::min<int>(endOverhang, m_availableWidth - currentWidth()), 0);
     m_availableWidth += endOverhang;
@@ skipping 71 matching lines @@
     }
     updateLineDimension(lastFloatLogicalBottom, newLineWidth, newLineLeft, newLineRight);
 }
 
 void LineWidth::computeAvailableWidthFromLeftAndRight()
 {
     m_availableWidth = max(0.0f, m_right - m_left) + m_overhangWidth;
 }
 
 }