Remove unneeded CPVT classes.

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': {
     # TODO(thakis): Enable this, pdfium:29
     #'chromium_code': 1,
 
     'variables': {
@@ skipping 234 matching lines @@
         'core/fpdfdoc/doc_formcontrol.cpp',
         'core/fpdfdoc/doc_formfield.cpp',
         'core/fpdfdoc/doc_link.cpp',
         'core/fpdfdoc/doc_metadata.cpp',
         'core/fpdfdoc/doc_ocg.cpp',
         'core/fpdfdoc/doc_tagged.cpp',
         'core/fpdfdoc/doc_utils.cpp',
         'core/fpdfdoc/doc_utils.h',
         'core/fpdfdoc/doc_viewerPreferences.cpp',
         'core/fpdfdoc/doc_vt.cpp',
+        'core/fpdfdoc/doc_vt.h',
         'core/fpdfdoc/include/cpdf_variabletext.h',
         'core/fpdfdoc/include/cpvt_line.h',
         'core/fpdfdoc/include/cpvt_secprops.h',
         'core/fpdfdoc/include/cpvt_section.h',
         'core/fpdfdoc/include/cpvt_word.h',
         'core/fpdfdoc/include/cpvt_wordplace.h',
         'core/fpdfdoc/include/cpvt_wordprops.h',
         'core/fpdfdoc/include/cpvt_wordrange.h',
         'core/fpdfdoc/include/ipvt_fontmap.h',
-        'core/fpdfdoc/pdf_vt.h',
         'core/fpdfdoc/tagged_int.h',
       ],
     },
     {
       'target_name': 'fpdfapi',
       'type': 'static_library',
       'sources': [
         'core/fpdfapi/fpdf_basic_module.cpp',
         'core/fpdfapi/fpdf_cmaps/cmap_int.h',
         'core/fpdfapi/fpdf_cmaps/CNS1/Adobe-CNS1-UCS2_5.cpp',
@@ skipping 796 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',
           ],
         },
       ]
     }],
   ]
 }