Split xfa_object_imp into individual class files.

xfa.gyp

Index: xfa.gyp
diff --git a/xfa.gyp b/xfa.gyp
index e21f905ed5ed85296e08fd1e91df0aa953b80844..999be123e99bbe230f16232135f412fd5026ea26 100644
--- a/xfa.gyp
+++ b/xfa.gyp
@@ -438,8 +438,10 @@
         "xfa/fxfa/include/xfa_fontmgr.h",
         "xfa/fxfa/include/xfa_rendercontext.h",
         "xfa/fxfa/parser/cxfa_arc.h",
+        "xfa/fxfa/parser/cxfa_arraynodelist.cpp",
         "xfa/fxfa/parser/cxfa_assist.cpp",
         "xfa/fxfa/parser/cxfa_assist.h",
+        "xfa/fxfa/parser/cxfa_attachnodelist.cpp",
         "xfa/fxfa/parser/cxfa_bind.cpp",
         "xfa/fxfa/parser/cxfa_bind.h",
         "xfa/fxfa/parser/cxfa_binditems.cpp",
@@ -471,6 +473,9 @@
         "xfa/fxfa/parser/cxfa_line.h",
         "xfa/fxfa/parser/cxfa_margin.cpp",
         "xfa/fxfa/parser/cxfa_margin.h",
+        "xfa/fxfa/parser/cxfa_node.cpp",
+        "xfa/fxfa/parser/cxfa_nodelist.cpp",
+        "xfa/fxfa/parser/cxfa_object.cpp",
         "xfa/fxfa/parser/cxfa_occur.cpp",
         "xfa/fxfa/parser/cxfa_occur.h",
         "xfa/fxfa/parser/cxfa_para.cpp",
@@ -486,6 +491,7 @@
         "xfa/fxfa/parser/cxfa_submit.h",
         "xfa/fxfa/parser/cxfa_text.cpp",
         "xfa/fxfa/parser/cxfa_text.h",
+        "xfa/fxfa/parser/cxfa_thisproxy.cpp",
         "xfa/fxfa/parser/cxfa_tooltip.cpp",
         "xfa/fxfa/parser/cxfa_tooltip.h",
         "xfa/fxfa/parser/cxfa_validate.cpp",
@@ -530,7 +536,6 @@
         "xfa/fxfa/parser/xfa_localevalue.cpp",
         "xfa/fxfa/parser/xfa_localevalue.h",
         "xfa/fxfa/parser/xfa_object.h",
-        "xfa/fxfa/parser/xfa_object_imp.cpp",
         "xfa/fxfa/parser/xfa_script.h",
         "xfa/fxfa/parser/xfa_script_datawindow.cpp",
         "xfa/fxfa/parser/xfa_script_datawindow.h",