Remove duplicate application cpp files in mojo/application.

mandoline/ui/omnibox/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.
 
 import("//third_party/mojo/src/mojo/public/mojo_application.gni")
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
 
 mojo_native_application("omnibox") {
   sources = [
     "main.cc",
   ]
 
   deps = [
     ":lib",
     "//mandoline/services/navigation/public/interfaces",
-    "//mojo/application",
-    "//mojo/application/public/interfaces",
-    "//mojo/common:common",
-    "//third_party/mojo/src/mojo/public/cpp/bindings",
-    "//third_party/mojo/src/mojo/public/cpp/utility",
+    "//mojo/application/public/cpp",
   ]
 }
 
 source_set("lib") {
   sources = [
     "omnibox_impl.cc",
     "omnibox_impl.h",
   ]
 
   deps = [
     "//base",
     "//components/view_manager/public/cpp",
     "//mandoline/services/navigation/public/interfaces",
     "//mandoline/ui/aura",
     "//mandoline/ui/browser:interfaces",
     "//mojo/application/public/interfaces",
     "//mojo/converters/geometry",
     "//skia",
     "//third_party/mojo/src/mojo/public/cpp/bindings",
-    "//third_party/mojo/src/mojo/public/cpp/utility",
     "//ui/gfx/geometry",
     "//ui/mojo/events:interfaces",
   ]
 }