Set ozone_platform_wayland to true for ozone/ChromeOS builds

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("//build/config/ui.gni")
 import("//ui/ozone/ozone.gni")
 import("//testing/test.gni")
 
 assert(use_ozone)
 
 visibility = [ ":*" ]
 
+declare_args() {
+  # TODO(tonikitoo): In order to effectively build the ozone/wayland backend by
+  # the chromeos/ozone/ buildbot, opt-out to run wayland unittests since they fail.
+  # https://bugs.chromium.org/p/chromium/issues/detail?id=657014
+  ozone_platform_wayland_unittests = false
+}
+
 # The list of platforms that will be built.
 ozone_platforms = []
 
 # Extra dependencies to pull into ui/ozone for built platforms.
 ozone_platform_deps = []
 
 # Extra dependencies to pull into ozone_unittests for built platforms.
 ozone_platform_test_deps = []
 
 if (ozone_platform_headless) {
@@ skipping 13 matching lines @@
 }
 
 if (ozone_platform_cast) {
   ozone_platforms += [ "cast" ]
   ozone_platform_deps += [ "platform/cast" ]
 }
 
 if (ozone_platform_wayland) {
   ozone_platforms += [ "wayland" ]
   ozone_platform_deps += [ "platform/wayland" ]
-  ozone_platform_test_deps += [ "platform/wayland:wayland_unittests" ]
+  if (ozone_platform_wayland_unittests) {
+    ozone_platform_test_deps += [ "platform/wayland:wayland_unittests" ]
+  }
 }
 
 if (ozone_platform_x11) {
   ozone_platforms += [ "x11" ]
   ozone_platform_deps += [ "platform/x11" ]
 }
 
 platform_list_cc_file = "$target_gen_dir/platform_list.cc"
 platform_list_h_file = "$target_gen_dir/platform_list.h"
 platform_list_txt_file = "$target_gen_dir/platform_list.txt"
@@ skipping 170 matching lines @@
     "//ui/gfx/geometry",
   ]
 
   # Add tests of platform internals.
   deps += ozone_platform_test_deps
 
   # Platform tests link ozone statically. Make sure we're not getting a
   # 2nd copy of any code via the component.
   assert_no_deps = [ "//ui/ozone" ]
 }