Work on Mac GN build

ui/gfx/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/ui.gni")
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
 component("gfx") {
@@ skipping 329 matching lines @@
       "ozone/dri/dri_wrapper.h",
       "ozone/dri/hardware_display_controller.cc",
       "ozone/dri/hardware_display_controller.h",
     ]
   }
 
   if (!use_aura) {
     sources -= [
       "nine_image_painter.cc",
       "nine_image_painter.h",
+      "path_aura.cc",
     ]
   }
+
   if (use_x11) {
     deps += [
       ":gfx_x11",
     ]
+  } else {
+    sources -= [
+      "path_x11.cc",
+    ]
   }
+
   if (use_pango) {
     sources -= [
       "platform_font_ozone.cc",
       "render_text_ozone.cc",
     ]
     configs += [ "//build/config/linux:pangocairo" ]
   } else {
     sources -= [
       "pango_util.cc",
       "pango_util.h",
@@ skipping 66 matching lines @@
       "x/x11_atom_cache.h",
       "x/x11_error_tracker.cc",
       "x/x11_error_tracker.h",
       "x/x11_types.cc",
       "x/x11_types.h",
     ]
 
     configs += [ "//build/config/linux:x11" ]
   }
 }