Fix Skia windows GN build

skia/BUILD.gn

Index: skia/BUILD.gn
diff --git a/skia/BUILD.gn b/skia/BUILD.gn
index 97f6d583e210875c22f2eb4c03d70822a41858d5..d83ca3acab02c94003d4c229e602abce65940aae 100644
--- a/skia/BUILD.gn
+++ b/skia/BUILD.gn
@@ -311,11 +311,14 @@ component("skia") {
     sources -= [
       "//third_party/skia/src/ports/SkOSFile_posix.cpp",
       "//third_party/skia/src/ports/SkTLS_pthread.cpp",
+      "//third_party/skia/src/ports/SkFontMgr_custom.cpp",
+      "//third_party/skia/src/ports/SkFontMgr_custom_empty_factory.cpp",
     ]
   } else {
     sources -= [
       "//third_party/skia/src/ports/SkFontHost_win.cpp",
       "//third_party/skia/src/ports/SkFontMgr_win_dw.cpp",
+      "//third_party/skia/src/ports/SkFontMgr_win_dw_factory.cpp",
       "//third_party/skia/src/ports/SkOSFile_win.cpp",
       "//third_party/skia/src/ports/SkRemotableFontMgr_win_dw.cpp",
       "//third_party/skia/src/ports/SkScalerContext_win_dw.cpp",
@@ -334,15 +337,6 @@ component("skia") {
     sources -= [ "//third_party/skia/src/ports/SkFontHost_mac.cpp" ]
   }
 
-  if (!is_linux) {
-    sources -= [
-      "//third_party/skia/src/fonts/SkFontMgr_fontconfig.cpp",
-      "//third_party/skia/src/ports/SkFontConfigInterface_direct.cpp",
-      "//third_party/skia/src/ports/SkFontConfigInterface_direct_factory.cpp",
-      "//third_party/skia/src/ports/SkFontHost_fontconfig.cpp",
-    ]
-  }
-
   if (!is_linux && !is_android) {
     sources -= [
       "//third_party/skia/src/ports/SkFontHost_FreeType.cpp",