Remove some IFX_* wrappers.

pdfium.gyp

 # Copyright 2015 PDFium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'chromium_code': 1,
     'pdf_use_skia%': 0,
     'pdf_enable_v8%': 1,
     'pdf_enable_xfa%': 0, # Set to 1 by standalone.gypi in a standalone build.
@@ skipping 717 matching lines @@
     {
       'target_name': 'fxedit',
       'type': 'static_library',
       'sources': [
         'fpdfsdk/fxedit/include/fx_edit.h',
         'fpdfsdk/fxedit/include/fxet_edit.h',
         'fpdfsdk/fxedit/include/fxet_list.h',
         'fpdfsdk/fxedit/fxet_ap.cpp',
         'fpdfsdk/fxedit/fxet_edit.cpp',
         'fpdfsdk/fxedit/fxet_list.cpp',
-        'fpdfsdk/fxedit/fxet_module.cpp',
-        'fpdfsdk/fxedit/fxet_pageobjs.cpp',
       ],
     },
     {
       'target_name': 'pdfwindow',
       'type': 'static_library',
       'sources': [
         'fpdfsdk/pdfwindow/PWL_Button.cpp',
         'fpdfsdk/pdfwindow/PWL_Button.h',
         'fpdfsdk/pdfwindow/PWL_Caret.cpp',
         'fpdfsdk/pdfwindow/PWL_Caret.h',
@@ skipping 316 matching lines @@
             'fpdfsdk/fpdfxfa/include/fpdfxfa_app.h',
             'fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h',
             'fpdfsdk/fpdfxfa/include/fpdfxfa_page.h',
             'fpdfsdk/fpdfxfa/include/fpdfxfa_util.h',
           ],
         },
       ]
     }],
   ]
 }