[ozone/wayland] gn gen --check <out> fails

Generating files...
ERROR at //ui/ozone/platform/wayland/ozone_platform_wayland.cc:8:11: Can't include this header from here.
          ^---------------------------------
The target:
  //ui/ozone/platform/wayland:wayland
is including a file from the target:
  /ui/display:display

Review-Url: https://chromiumcodereview.appspot.com/2438543002
Cr-Commit-Position: refs/heads/master@{#426206}
diff --git a/ui/ozone/platform/wayland/BUILD.gn b/ui/ozone/platform/wayland/BUILD.gn
index 8ba2444..3592805 100644
--- a/ui/ozone/platform/wayland/BUILD.gn
+++ b/ui/ozone/platform/wayland/BUILD.gn
@@ -41,6 +41,7 @@
     "//skia",
     "//third_party/wayland:wayland_client",
     "//third_party/wayland-protocols:xdg_shell_protocol",
+    "//ui/display",
     "//ui/events",
     "//ui/events/platform",
     "//ui/gfx",