Create mojom and StructTraits for ui/display/types/display_mode.cc

url/BUILD.gn

Index: url/BUILD.gn
diff --git a/url/BUILD.gn b/url/BUILD.gn
index c6020fb1a2368be072c5b446891e9033411287d9..b6ee1d373484491e4340b303a8680fae277ad0da 100644
--- a/url/BUILD.gn
+++ b/url/BUILD.gn
@@ -134,7 +134,10 @@ test("url_unittests") {
   ]
 
   if (!is_ios) {
-    sources += [ "mojo/url_gurl_struct_traits_unittest.cc" ]
+    sources += [
+      "//ui/ozone/common/mojo/display_mode_params_struct_traits_unittest.cc",
+      "mojo/url_gurl_struct_traits_unittest.cc",
+    ]
   }
 
   if (use_platform_icu_alternatives) {
@@ -167,6 +170,8 @@ test("url_unittests") {
     deps += [
       "//mojo/edk/system",
       "//mojo/edk/test:test_support",
+      "//ui/ozone/common/mojo:test_ui_ozone_common_mojom_display_mode_params",
+      "//ui/ozone/common/mojo:ui_ozone_common_mojom_display_mode_params",
       "//url/mojo:test_url_mojom_gurl",
     ]
   }