Read EDID for the 1st display for startup

ui/ozone/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("//ui/ozone/ozone.gni")
 import("//testing/test.gni")
 
 # The list of platforms that will be built.
 ozone_platforms = []
 
@@ skipping 153 matching lines @@
     "--include=\"ui/ozone/public/ozone_platform.h\"",
   ]
 
   deps = [
     ":generate_ozone_platform_list",
   ]
 }
 
 test("ozone_unittests") {
   sources = [
+    "common/display_util_unittest.cc",
     "run_all_unittests.cc",
   ]
 
   deps = [
            "//base/test:test_support",
            "//testing/gtest",
          ] + ozone_platform_test_deps
 }