Remove core/src/fpdfapi/fpdf_font/common.h and use stdint types.

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,
     'pdf_use_skia%': 0,
     'pdf_enable_v8%': 1,
@@ skipping 262 matching lines @@
         'core/src/fpdfapi/fpdf_cmaps/Korea1/KSCms-UHC-V_1.cpp',
         'core/src/fpdfapi/fpdf_cmaps/Korea1/KSCpc-EUC-H_0.cpp',
         'core/src/fpdfapi/fpdf_cmaps/Korea1/UniKS-UCS2-H_1.cpp',
         'core/src/fpdfapi/fpdf_cmaps/Korea1/UniKS-UCS2-V_1.cpp',
         'core/src/fpdfapi/fpdf_cmaps/Korea1/UniKS-UTF16-H_0.cpp',
         'core/src/fpdfapi/fpdf_edit/editint.h',
         'core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp',
         'core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp',
         'core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp',
         'core/src/fpdfapi/fpdf_edit/fpdf_edit_image.cpp',
-        'core/src/fpdfapi/fpdf_font/common.h',
         'core/src/fpdfapi/fpdf_font/font_int.h',
         'core/src/fpdfapi/fpdf_font/fpdf_font.cpp',
         'core/src/fpdfapi/fpdf_font/fpdf_font_charset.cpp',
         'core/src/fpdfapi/fpdf_font/fpdf_font_cid.cpp',
         'core/src/fpdfapi/fpdf_font/ttgsubtable.cpp',
         'core/src/fpdfapi/fpdf_font/ttgsubtable.h',
         'core/src/fpdfapi/fpdf_page/fpdf_page.cpp',
         'core/src/fpdfapi/fpdf_page/fpdf_page_colors.cpp',
         'core/src/fpdfapi/fpdf_page/fpdf_page_doc.cpp',
         'core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp',
@@ skipping 504 matching lines @@
           ],
           'dependencies': [
             '<(DEPTH)/v8/tools/gyp/v8.gyp:v8',
             '<(DEPTH)/v8/tools/gyp/v8.gyp:v8_libplatform',
           ],
         }],
       ],
     },
   ],
 }