core_services: add native_viewport_service on non-android.

mandoline/services/core_services/BUILD.gn

Index: mandoline/services/core_services/BUILD.gn
diff --git a/mandoline/services/core_services/BUILD.gn b/mandoline/services/core_services/BUILD.gn
index eecacaff4af6982c2463396a027b7ac9f516c672..19ec9af3020f7a4e4954620a45142456dd3ac172 100644
--- a/mandoline/services/core_services/BUILD.gn
+++ b/mandoline/services/core_services/BUILD.gn
@@ -76,6 +76,10 @@ source_set("sources") {
   ]
 
   if (!is_android) {
-    deps += [ "//mandoline/ui/omnibox:lib" ]
+    deps += [
+      "//components/native_viewport:lib",
+      "//components/native_viewport/public/cpp:args",
+      "//mandoline/ui/omnibox:lib",
+    ]
   }
 }