Move and rename RenderReplaced and RenderHTMLCanvas to Layout{Replaced,HTMLCanvas}.

Source/core/rendering/RenderPart.h

Index: Source/core/rendering/RenderPart.h
diff --git a/Source/core/rendering/RenderPart.h b/Source/core/rendering/RenderPart.h
index e024d06b3975b26291394ccfd14e9dc6fb28d7f7..8bb9be6895b5e3563c08c14a93215c8d8b25082e 100644
--- a/Source/core/rendering/RenderPart.h
+++ b/Source/core/rendering/RenderPart.h
@@ -23,13 +23,13 @@
 #ifndef RenderPart_h
 #define RenderPart_h
 
-#include "core/rendering/RenderReplaced.h"
+#include "core/layout/LayoutReplaced.h"
 #include "platform/Widget.h"
 
 namespace blink {
 
 // Renderer for frames via RenderFrame and RenderIFrame, and plug-ins via RenderEmbeddedObject.
-class RenderPart : public RenderReplaced {
+class RenderPart : public LayoutReplaced {
 public:
     explicit RenderPart(Element*);
     virtual ~RenderPart();