Remove duplicate application cpp files in mojo/application.

components/view_manager/native_viewport/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("//build/config/ui.gni")
 import("//third_party/mojo/src/mojo/public/mojo_application.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
@@ skipping 27 matching lines @@
     output_name = "native_viewport_service"
     sources = [
       "main.cc",
     ]
     deps = [
       ":lib",
       "//base",
       "//components/gles2",
       "//components/view_manager/public/cpp",
       "//components/view_manager/public/interfaces",
-      "//mojo/application",
+      "//mojo/application/public/cpp",
       "//third_party/mojo/src/mojo/public/cpp/bindings:bindings",
       "//ui/events",
       "//ui/events/platform",
       "//ui/gl",
     ]
   }
 }
 
 source_set("lib") {
   sources = [
@@ skipping 15 matching lines @@
 
   if (!is_ios) {
     sources -= [ "platform_viewport_stub.cc" ]
   }
 
   deps = [
     "//base",
     "//components/gles2",
     "//components/view_manager/public/interfaces",
     "//gpu/command_buffer/service",
-    "//mojo/application",
-    "//mojo/common",
+    "//mojo/application/public/cpp",
     "//mojo/common:tracing_impl",
     "//mojo/converters/geometry",
     "//mojo/converters/input_events",
-    "//mojo/environment:chromium",
     "//ui/events",
     "//ui/events/platform",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl",
     "//ui/mojo/geometry:interfaces",
     "//ui/platform_window",
   ]
 
   if (is_android) {
     deps += [ ":jni_headers" ]
   }
 
   if (use_x11) {
     deps += [ "//ui/platform_window/x11" ]
   } else {
     sources -= [ "platform_viewport_x11.cc" ]
   }
 
   if (is_win) {
     deps += [ "//ui/platform_window/win" ]
   }
 }