fix skia + windows + gn

third_party/BUILD.gn

 # Copyright 2014 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.
 
 import("../pdfium.gni")
 
 group("third_party") {
   deps = [
     ":bigint",
     ":fx_freetype",
     ":pdfium_base",
   ]
 }
 
 config("pdfium_third_party_config") {
-  configs = ["..:pdfium_common_config"]
+  configs = [ "..:pdfium_common_config" ]
 }
 
 source_set("bigint") {
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     "//build/config/compiler:no_chromium_code",
     ":pdfium_third_party_config",
   ]
   sources = [
     "bigint/BigInteger.cc",
@@ skipping 54 matching lines @@
     "freetype/src/cid/type1cid.c",
     "freetype/src/psaux/psaux.c",
     "freetype/src/pshinter/pshinter.c",
     "freetype/src/psnames/psmodule.c",
     "freetype/src/raster/raster.c",
     "freetype/src/sfnt/sfnt.c",
     "freetype/src/smooth/smooth.c",
     "freetype/src/truetype/truetype.c",
     "freetype/src/type1/type1.c",
   ]
+  if (pdf_use_skia) {
+    sources += [
+      "freetype/src/base/ftfntfmt.c",
+      "freetype/src/base/ftfstype.c",
+      "freetype/src/base/fttype1.c",
+    ]
+  }
 }
 
 if (!pdf_use_skia) {
   config("fx_agg_warnings") {
     visibility = [ ":*" ]
     if (is_clang) {
       # calc_butt_cap() in agg_vcgen_stroke.cpp is unused.
       cflags = [ "-Wno-unused-function" ]
     }
   }
@@ skipping 334 matching lines @@
   sources = [
     "base/logging.h",
     "base/macros.h",
     "base/numerics/safe_conversions.h",
     "base/numerics/safe_conversions_impl.h",
     "base/numerics/safe_math.h",
     "base/numerics/safe_math_impl.h",
     "base/stl_util.h",
   ]
 }