Roll in latest pdfium.

pdf/pdf.gyp

 {
   'variables': {
     'chromium_code': 1,
     'pdf_engine%': 0,  # 0 PDFium
   },
   'target_defaults': {
     'cflags': [
       '-fPIC',
     ],
   },
@@ skipping 108 matching lines @@
             },
           },
           # Use a custom version script to prevent leaking the vendor name in
           # visible symbols.
           'ldflags': [
             '-Wl,--version-script=<!(cd <(DEPTH) && pwd -P)/pdf/libpdf.map'
           ],
         }],
       ],
     },
-    {
-      'target_name': 'pdfium_test',
-      'type': 'executable',
-      'dependencies': [
-        '../base/base.gyp:base',
-        '../base/base.gyp:base_i18n',
-        '../third_party/pdfium/pdfium.gyp:fpdfsdk',
-      ],
-      'sources': [
-        'pdfium/pdfium_test.cc',
-      ],
-    }
   ],
   'conditions': [
     # CrOS has a separate step to do this.
     ['OS=="linux" and chromeos==0',
       { 'targets': [
         {
           'target_name': 'pdf_linux_symbols',
           'type': 'none',
           'conditions': [
             ['linux_dump_symbols==1', {
@@ skipping 21 matching lines @@
                 'pdf',
                 '../breakpad/breakpad.gyp:dump_syms',
               ],
             }],
           ],
         },
       ],
     },],  # OS=="linux" and chromeos==0
   ],
 }