Fix for min/max compile error on Windows

pdfium.gyp

 {
   'variables': {
     'pdf_use_skia%': 0,
   },
   'target_defaults': {
     'defines' : [
       'FOXIT_CHROME_BUILD',
       '_FXFT_VERSION_=2501',
       '_FPDFSDK_LIB',
       '_NO_GDIPLUS_',  # workaround text rendering issues on Windows
@@ skipping 651 matching lines @@
             '<(DEPTH)/third_party/skia/include/effects',
             '<(DEPTH)/third_party/skia/include/images',
             '<(DEPTH)/third_party/skia/include/lazy',
             '<(DEPTH)/third_party/skia/include/pathops',
             '<(DEPTH)/third_party/skia/include/utils',
             '<(DEPTH)/third_party/skia/src/core',
           ],
         }],
         ['OS=="win"', {
           'defines!': [
-            'NOMINMAX',
             'WIN32_LEAN_AND_MEAN'
           ],
           'sources': [
             'core/src/fxge/win32/dwrite_int.h',
             'core/src/fxge/win32/fx_win32_device.cpp',
             'core/src/fxge/win32/fx_win32_dib.cpp',
             'core/src/fxge/win32/fx_win32_dwrite.cpp',
             'core/src/fxge/win32/fx_win32_gdipext.cpp',
             'core/src/fxge/win32/fx_win32_print.cpp',
             'core/src/fxge/win32/win32_int.h',
@@ skipping 164 matching lines @@
         'fpdfsdk/src/formfiller/FFL_ListBox.cpp',
         'fpdfsdk/src/formfiller/FFL_Notify.cpp',
         'fpdfsdk/src/formfiller/FFL_PushButton.cpp',
         'fpdfsdk/src/formfiller/FFL_RadioButton.cpp',
         'fpdfsdk/src/formfiller/FFL_TextField.cpp',
         'fpdfsdk/src/formfiller/FFL_Utils.cpp',
       ],
     },
   ],
 }