Rename xfa_doclayout and xfa_document_layout_imp files.

xfa.gyp

Index: xfa.gyp
diff --git a/xfa.gyp b/xfa.gyp
index 72e2922424124b0bc0109f730dcb81540050be52..caefb9b1f0da28ae0e894a9947a7f905457c8a6b 100644
--- a/xfa.gyp
+++ b/xfa.gyp
@@ -469,6 +469,10 @@
         "xfa/fxfa/parser/cxfa_caption.cpp",
         "xfa/fxfa/parser/cxfa_caption.h",
         "xfa/fxfa/parser/cxfa_corner.h",
+        "xfa/fxfa/parser/cxfa_containerlayoutitem.cpp",
+        "xfa/fxfa/parser/cxfa_containerlayoutitem.h",
+        "xfa/fxfa/parser/cxfa_contentlayoutitem.cpp",
+        "xfa/fxfa/parser/cxfa_contentlayoutitem.h",
         "xfa/fxfa/parser/cxfa_data.cpp",
         "xfa/fxfa/parser/cxfa_data.h",
         "xfa/fxfa/parser/cxfa_document_parser.cpp",
@@ -484,6 +488,10 @@
         "xfa/fxfa/parser/cxfa_font.h",
         "xfa/fxfa/parser/cxfa_image.cpp",
         "xfa/fxfa/parser/cxfa_image.h",
+        "xfa/fxfa/parser/cxfa_layoutitem.cpp",
+        "xfa/fxfa/parser/cxfa_layoutitem.h",
+        "xfa/fxfa/parser/cxfa_layoutprocessor.cpp",
+        "xfa/fxfa/parser/cxfa_layoutprocessor.h",
         "xfa/fxfa/parser/cxfa_line.cpp",
         "xfa/fxfa/parser/cxfa_line.h",
         "xfa/fxfa/parser/cxfa_margin.cpp",
@@ -517,6 +525,7 @@
         "xfa/fxfa/parser/cxfa_thisproxy.cpp",
         "xfa/fxfa/parser/cxfa_tooltip.cpp",
         "xfa/fxfa/parser/cxfa_tooltip.h",
+        "xfa/fxfa/parser/cxfa_traversestrategy_layoutitem.h",
         "xfa/fxfa/parser/cxfa_validate.cpp",
         "xfa/fxfa/parser/cxfa_validate.h",
         "xfa/fxfa/parser/cxfa_value.cpp",
@@ -537,13 +546,10 @@
         "xfa/fxfa/parser/xfa_basic_data_enum.cpp",
         "xfa/fxfa/parser/xfa_basic_data_packets.cpp",
         "xfa/fxfa/parser/xfa_basic_data.h",
-        "xfa/fxfa/parser/xfa_doclayout.h",
         "xfa/fxfa/parser/xfa_document.h",
         "xfa/fxfa/parser/xfa_document_datamerger_imp.cpp",
         "xfa/fxfa/parser/xfa_document_datamerger_imp.h",
         "xfa/fxfa/parser/xfa_document_imp.cpp",
-        "xfa/fxfa/parser/xfa_document_layout_imp.cpp",
-        "xfa/fxfa/parser/xfa_document_layout_imp.h",
         "xfa/fxfa/parser/xfa_document_serialize.cpp",
         "xfa/fxfa/parser/xfa_document_serialize.h",
         "xfa/fxfa/parser/xfa_layout_appadapter.cpp",