Move the remaining rendering/svg/RenderSVG* files to layout.

Source/core/layout/svg/SVGLayoutTreeAsText.h

 /*
  * Copyright (C) 2004, 2005, 2009 Apple Inc. 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 13 matching lines @@
  */
 
 #ifndef SVGLayoutTreeAsText_h
 #define SVGLayoutTreeAsText_h
 
 #include "platform/text/TextStream.h"
 
 namespace blink {
 
 class LayoutObject;
-class RenderSVGGradientStop;
+class LayoutSVGGradientStop;
 class LayoutSVGImage;
 class LayoutSVGInlineText;
 class LayoutSVGShape;
-class RenderSVGRoot;
+class LayoutSVGRoot;
 class LayoutSVGText;
 
 // functions used by the main LayoutTreeAsText code
 void write(TextStream&, const LayoutSVGShape&, int indent);
-void write(TextStream&, const RenderSVGRoot&, int indent);
-void writeSVGGradientStop(TextStream&, const RenderSVGGradientStop&, int indent);
+void write(TextStream&, const LayoutSVGRoot&, int indent);
+void writeSVGGradientStop(TextStream&, const LayoutSVGGradientStop&, int indent);
 void writeSVGResourceContainer(TextStream&, const LayoutObject&, int indent);
 void writeSVGContainer(TextStream&, const LayoutObject&, int indent);
 void writeSVGImage(TextStream&, const LayoutSVGImage&, int indent);
 void writeSVGInlineText(TextStream&, const LayoutSVGInlineText&, int indent);
 void writeSVGText(TextStream&, const LayoutSVGText&, int indent);
 void writeResources(TextStream&, const LayoutObject&, int indent);
 
 } // namespace blink
 
 #endif // SVGLayoutTreeAsText_h