Remove IPDF_TextPage, IPDF_TextPageFind and IPDF_LinkExtract interfaces.

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 483 matching lines @@
         'core/fpdfapi/fpdf_render/render_int.h',
         'core/fpdfapi/include/cpdf_modulemgr.h',
         'core/fpdfapi/ipdf_rendermodule.h',
         'core/fpdfapi/ipdf_pagemodule.h',
       ],
     },
     {
       'target_name': 'fpdftext',
       'type': 'static_library',
       'sources': [
-        'core/fpdftext/include/ipdf_linkextract.h',
-        'core/fpdftext/include/ipdf_textpage.h',
-        'core/fpdftext/include/ipdf_textpagefind.h',
+        'core/fpdftext/include/cpdf_linkextract.h',
+        'core/fpdftext/include/cpdf_textpage.h',
+        'core/fpdftext/include/cpdf_textpagefind.h',
         'core/fpdftext/fpdf_text_int.cpp',
-        'core/fpdftext/fpdf_text_int.h',
-        'core/fpdftext/unicodenormalization.cpp',
-        'core/fpdftext/unicodenormalization.h',
         'core/fpdftext/unicodenormalizationdata.cpp',
         'core/fpdftext/unicodenormalizationdata.h',
       ],
     },
     {
       'target_name': 'fxcodec',
       'type': 'static_library',
       'dependencies': [
         '<(libjpeg_gyp_path):libjpeg',
         'third_party/third_party.gyp:fx_lcms2',
@@ skipping 559 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',
           ],
         },
       ]
     }],
   ]
 }