Configure font font names in GFX unittests

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")
 import("//testing/test.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
@@ skipping 531 matching lines @@
       "test/ui_cocoa_test_helper.mm",
     ]
   }
   if (is_linux) {
     deps += [ "//build/linux:fontconfig" ]
   }
 }
 
 test("gfx_unittests") {
   sources = [
+    "font_names_testing.cc",
+    "font_names_testing.h",
     "font_render_params_linux_unittest.cc",
     "font_unittest.cc",
     "image/image_family_unittest.cc",
     "image/image_ios_unittest.mm",
     "image/image_skia_unittest.cc",
     "image/image_unittest.cc",
     "ios/NSString+CrStringDrawing_unittest.mm",
     "ios/uikit_util_unittest.mm",
     "platform_font_linux_unittest.cc",
     "test/run_all_unittests.cc",
@@ skipping 150 matching lines @@
 
 fuzzer_test("color_transform_fuzztest") {
   sources = [
     "color_transform_fuzzer.cc",
   ]
   deps = [
     ":gfx",
   ]
   libfuzzer_options = [ "max_len=1024" ]
 }