Fix missing dependencies in content/app.

content/utility/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("//media/media_options.gni")
 
 source_set("utility") {
   # Only the public target should depend on this. All other targets (even
   # internal content ones other than test) should depend on the public one.
   visibility = [
     ":for_content_tests",
+    "//content/app:*",
     "//content/public/utility:utility_sources",
   ]
 
   sources = [
     "in_process_utility_thread.cc",
     "in_process_utility_thread.h",
     "utility_blink_platform_impl.cc",
     "utility_blink_platform_impl.h",
     "utility_main.cc",
     "utility_service_factory.cc",
@@ skipping 31 matching lines @@
 
 # See comment at the top of //content/BUILD.gn for how this works.
 group("for_content_tests") {
   visibility = [ "//content/test/*" ]
   if (!is_component_build) {
     public_deps = [
       ":utility",
     ]
   }
 }