fix skia + windows + gn

skia/skia_library.gypi

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 # This gypi file contains the Skia library.
 # In component mode (shared_lib) it is folded into a single shared library with
 # the PDFium-specific enhancements but in all other cases it is a separate lib.
 
 # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!WARNING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
@@ skipping 242 matching lines @@
         '../third_party/skia/src/ports/SkOSFile_posix.cpp',
         '../third_party/skia/src/ports/SkTime_Unix.cpp',
         '../third_party/skia/src/ports/SkTLS_pthread.cpp',
       ],
       'include_dirs': [
         '../third_party/skia/include/utils/win',
         '../third_party/skia/src/utils/win',
       ],
     },{ # not 'OS == "win"'
       'sources!': [
-        '../third_party/skia/src/ports/SkFontMgr_win_dw.cpp',
         '../third_party/skia/src/ports/SkRemotableFontMgr_win_dw.cpp',
         '../third_party/skia/src/ports/SkScalerContext_win_dw.cpp',
         '../third_party/skia/src/ports/SkTypeface_win_dw.cpp',
 
         '../third_party/skia/src/utils/win/SkDWrite.cpp',
         '../third_party/skia/src/utils/win/SkDWriteFontFileStream.cpp',
         '../third_party/skia/src/utils/win/SkDWriteGeometrySink.cpp',
         '../third_party/skia/src/utils/win/SkHRESULT.cpp',
       ],
     }],
@@ skipping 24 matching lines @@
       '../third_party/skia/include/pdf',
       '../third_party/skia/include/gpu',
       '../third_party/skia/include/lazy',
       '../third_party/skia/include/pathops',
       '../third_party/skia/include/pipe',
       '../third_party/skia/include/ports',
       '../third_party/skia/include/utils',
     ],
   },
 }