Move rendering/RenderObject to layout/LayoutObject.

Source/core/layout/LayoutRubyText.h

Index: Source/core/layout/LayoutRubyText.h
diff --git a/Source/core/layout/LayoutRubyText.h b/Source/core/layout/LayoutRubyText.h
index 26a9bb6721b6514f9f2d47d169b146dbe9d0430f..91785764a1333036de643d5347c784f1197e5ce8 100644
--- a/Source/core/layout/LayoutRubyText.h
+++ b/Source/core/layout/LayoutRubyText.h
@@ -42,9 +42,9 @@ public:
 
     virtual const char* renderName() const override { return "LayoutRubyText"; }
 
-    virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectRubyText || RenderBlockFlow::isOfType(type); }
+    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectRubyText || RenderBlockFlow::isOfType(type); }
 
-    virtual bool isChildAllowed(RenderObject*, const RenderStyle&) const override;
+    virtual bool isChildAllowed(LayoutObject*, const RenderStyle&) const override;
 
 private:
     virtual bool avoidsFloats() const override;