Break xfa_parser_imp apart

xfa.gyp

 {
   "variables": {
     "chromium_code": 1,
     "pdf_enable_v8%": 1,
      "variables": {
       'clang_use_chrome_plugins': 1,
     },
   },
   "target_defaults": {
     "defines": [
@@ skipping 456 matching lines @@
         "xfa/fxfa/parser/cxfa_border.h",
         "xfa/fxfa/parser/cxfa_box.cpp",
         "xfa/fxfa/parser/cxfa_box.h",
         "xfa/fxfa/parser/cxfa_calculate.cpp",
         "xfa/fxfa/parser/cxfa_calculate.h",
         "xfa/fxfa/parser/cxfa_caption.cpp",
         "xfa/fxfa/parser/cxfa_caption.h",
         "xfa/fxfa/parser/cxfa_corner.h",
         "xfa/fxfa/parser/cxfa_data.cpp",
         "xfa/fxfa/parser/cxfa_data.h",
+        "xfa/fxfa/parser/cxfa_document_parser.cpp",
+        "xfa/fxfa/parser/cxfa_document_parser.h",
         "xfa/fxfa/parser/cxfa_edge.h",
         "xfa/fxfa/parser/cxfa_event.cpp",
         "xfa/fxfa/parser/cxfa_event.h",
         "xfa/fxfa/parser/cxfa_exdata.cpp",
         "xfa/fxfa/parser/cxfa_exdata.h",
         "xfa/fxfa/parser/cxfa_fill.cpp",
         "xfa/fxfa/parser/cxfa_fill.h",
         "xfa/fxfa/parser/cxfa_font.cpp",
         "xfa/fxfa/parser/cxfa_font.h",
         "xfa/fxfa/parser/cxfa_image.cpp",
         "xfa/fxfa/parser/cxfa_image.h",
         "xfa/fxfa/parser/cxfa_line.cpp",
         "xfa/fxfa/parser/cxfa_line.h",
         "xfa/fxfa/parser/cxfa_margin.cpp",
         "xfa/fxfa/parser/cxfa_margin.h",
         "xfa/fxfa/parser/cxfa_occur.cpp",
         "xfa/fxfa/parser/cxfa_occur.h",
         "xfa/fxfa/parser/cxfa_para.cpp",
         "xfa/fxfa/parser/cxfa_para.h",
         "xfa/fxfa/parser/cxfa_rectangle.h",
         "xfa/fxfa/parser/cxfa_script.cpp",
         "xfa/fxfa/parser/cxfa_script.h",
+        "xfa/fxfa/parser/cxfa_simple_parser.cpp",
+        "xfa/fxfa/parser/cxfa_simple_parser.h",
         "xfa/fxfa/parser/cxfa_stroke.cpp",
         "xfa/fxfa/parser/cxfa_stroke.h",
         "xfa/fxfa/parser/cxfa_submit.cpp",
         "xfa/fxfa/parser/cxfa_submit.h",
         "xfa/fxfa/parser/cxfa_text.cpp",
         "xfa/fxfa/parser/cxfa_text.h",
         "xfa/fxfa/parser/cxfa_tooltip.cpp",
         "xfa/fxfa/parser/cxfa_tooltip.h",
         "xfa/fxfa/parser/cxfa_validate.cpp",
         "xfa/fxfa/parser/cxfa_validate.h",
         "xfa/fxfa/parser/cxfa_value.cpp",
         "xfa/fxfa/parser/cxfa_value.h",
         "xfa/fxfa/parser/cxfa_valuearray.cpp",
         "xfa/fxfa/parser/cxfa_valuearray.h",
         "xfa/fxfa/parser/cxfa_widgetdata.cpp",
         "xfa/fxfa/parser/cxfa_widgetdata.h",
+        "xfa/fxfa/parser/cxfa_xml_parser.cpp",
+        "xfa/fxfa/parser/cxfa_xml_parser.h",
         "xfa/fxfa/parser/xfa_basic_data.cpp",
         "xfa/fxfa/parser/xfa_basic_data_attributes.cpp",
         "xfa/fxfa/parser/xfa_basic_data_element_attributes.cpp",
         "xfa/fxfa/parser/xfa_basic_data_element_properties.cpp",
         "xfa/fxfa/parser/xfa_basic_data_element_script.cpp",
         "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_basic_imp.cpp",
         "xfa/fxfa/parser/xfa_basic_imp.h",
@@ skipping 13 matching lines @@
         "xfa/fxfa/parser/xfa_layout_pagemgr_new.cpp",
         "xfa/fxfa/parser/xfa_layout_pagemgr_new.h",
         "xfa/fxfa/parser/xfa_locale.cpp",
         "xfa/fxfa/parser/xfa_locale.h",
         "xfa/fxfa/parser/xfa_localemgr.cpp",
         "xfa/fxfa/parser/xfa_localemgr.h",
         "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_parser_imp.cpp",
-        "xfa/fxfa/parser/xfa_parser_imp.h",
         "xfa/fxfa/parser/xfa_script.h",
         "xfa/fxfa/parser/xfa_script_datawindow.cpp",
         "xfa/fxfa/parser/xfa_script_datawindow.h",
         "xfa/fxfa/parser/xfa_script_eventpseudomodel.cpp",
         "xfa/fxfa/parser/xfa_script_eventpseudomodel.h",
         "xfa/fxfa/parser/xfa_script_hostpseudomodel.cpp",
         "xfa/fxfa/parser/xfa_script_hostpseudomodel.h",
         "xfa/fxfa/parser/xfa_script_imp.cpp",
         "xfa/fxfa/parser/xfa_script_imp.h",
         "xfa/fxfa/parser/xfa_script_layoutpseudomodel.cpp",
@@ skipping 49 matching lines @@
           "sources": [],
         }],
         ["OS == 'mac'", {
           "configurations": {},
           "sources": [],
         }],
       ]
     }
   ]
 }