Add more components to "gn check", work on dom_distiller.

components/nacl/common/BUILD.gn

 # Copyright 2015 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.
 
 # Depending on this allows targets to unconditionally include
 # nacl_process_type.h without testing whether nacl is enabled.
 source_set("process_type") {
   public = [
     "nacl_process_type.h",
   ]
+
+  deps = [
+    "//content/public/common",
+  ]
 }