Separate CXFA layout hierarchy from CXFA parser hierarchy.

The naming is similar so it is easy to confuse nodes vs.
layout items. Still a few circular includes to be resolved
as a follow-up.

Change-Id: I48a3b4f9a3df22e834fdbc86194a08f568cfd03d
Reviewed-on: https://pdfium-review.googlesource.com/c/50010
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/xfa/fxfa/cxfa_ffpageview.h b/xfa/fxfa/cxfa_ffpageview.h
index 16477fa..8b143ad 100644
--- a/xfa/fxfa/cxfa_ffpageview.h
+++ b/xfa/fxfa/cxfa_ffpageview.h
@@ -10,9 +10,9 @@
 #include <memory>
 #include <vector>
 
-#include "xfa/fxfa/parser/cxfa_containerlayoutitem.h"
-#include "xfa/fxfa/parser/cxfa_contentlayoutitem.h"
-#include "xfa/fxfa/parser/cxfa_traversestrategy_layoutitem.h"
+#include "xfa/fxfa/layout/cxfa_containerlayoutitem.h"
+#include "xfa/fxfa/layout/cxfa_contentlayoutitem.h"
+#include "xfa/fxfa/layout/cxfa_traversestrategy_layoutitem.h"
 
 class CXFA_FFWidget;
 class CXFA_FFDocView;