GN Windows build fixes

ui/gfx/BUILD.gn

Index: ui/gfx/BUILD.gn
diff --git a/ui/gfx/BUILD.gn b/ui/gfx/BUILD.gn
index 206292951c4916d3e0d0e397c2e18aecf3709ee8..5f16febdd89b430fd72673c7704a137fd064296e 100644
--- a/ui/gfx/BUILD.gn
+++ b/ui/gfx/BUILD.gn
@@ -361,6 +361,17 @@ component("gfx") {
   }
   if (use_x11) {
     configs += [ "//build/config/linux:x11" ]
+  } else {
+    sources -= [
+      "path_x11.cc",
+      "path_x11.h",
+      "x/x11_atom_cache.cc",
+      "x/x11_atom_cache.h",
+      "x/x11_error_tracker.cc",
+      "x/x11_error_tracker.h",
+      "x/x11_types.cc",
+      "x/x11_types.h",
+    ]
   }
   if (use_pango) {
     sources -= [
@@ -368,6 +379,15 @@ component("gfx") {
       "render_text_ozone.cc",
     ]
     configs += [ "//build/config/linux:pangocairo" ]
+  } else {
+    sources -= [
+      "pango_util.cc",
+      "pango_util.h",
+      "platform_font_pango.cc",
+      "platform_font_pango.h",
+      "render_text_pango.cc",
+      "render_text_pango.h",
+    ]
   }
 }