Remove duplicate application cpp files in mojo/application.

BUILD.gn

 # Copyright (c) 2013 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.
 
 # This is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 74 matching lines @@
     "//extensions:extensions_unittests",
     "//google_apis/gcm:gcm_unit_tests",
     "//gpu:gpu_unittests",
     "//ipc:ipc_tests",
     "//ipc/mojo:ipc_mojo_unittests",
     "//jingle:jingle_unittests",
     "//media:media_unittests",
     "//media/cast:cast_unittests",
     "//media/midi:midi_unittests",
     "//mojo",
-    "//mojo/application",
+    "//mojo/application/public/cpp",
     "//mojo/common:mojo_common_unittests",
     "//net:hpack_example_generator",
     "//net:hpack_fuzz_mutator",
     "//net:hpack_fuzz_wrapper",
     "//net:net_perftests",
     "//net:net_unittests",
     "//ppapi:ppapi_unittests",
     "//ppapi/examples/2d",
     "//ppapi/examples/audio",
     "//ppapi/examples/audio_input",
@@ skipping 331 matching lines @@
       "//components/webui_generator",
       "//content/public/app:browser",
       "//content/public/app:child",
 
       # TODO(GYP): Remove this when the gles2 tests work
       "//gpu/command_buffer/client:gles2_implementation_no_check",
 
       "//gpu/khronos_glcts_support:khronos_glcts_test",  # TODO(GYP) crbug.com/471903 to make this complete.
       "//media/cast:cast_benchmarks",
       "//media/cast:tap_proxy",
-      "//mojo/application",
+      "//mojo/application/public/cpp",
       "//skia:filter_fuzz_stub",
       "//skia:image_operations_bench",
       "//sync/tools:sync_client",
       "//sync/tools:sync_listen_notifications",
       "//testing/gmock:gmock_main",
       "//third_party/mojo/src/mojo/edk/test:mojo_public_system_perftests",
       "//tools/perf/clear_system_cache",
       "//ui/keyboard:keyboard_unittests",
       "//ui/message_center:message_center_unittests",
       "//ui/snapshot:snapshot_unittests",
@@ skipping 231 matching lines @@
       "//content/public/common:mojo_bindings_python",
       "//content/common:mojo_bindings_python",
       "//content/test:web_ui_test_mojo_bindings_python",
       "//device/battery:mojo_bindings_python",
       "//device/vibration:mojo_bindings_python",
       "//ipc/mojo:ipc_mojo_perftests",
       "//ipc/mojo:client_channel_python",
       "//media/mojo/interfaces:interfaces_python",
       "//media/mojo/services:cdm_service",
       "//media/mojo:tests",
-      "//mojo/application/public/cpp:test_support_standalone",
       "//mojo:tests",
       "//net/interfaces:interfaces_python",
       "//third_party/mojo/src/mojo/edk/js/test:js_integration_tests",
       "//third_party/mojo/src/mojo/edk/js/tests:js_to_cpp_bindings_python",
       "//third_party/mojo/src/mojo/public/python:packaged_application",
       "//third_party/mojo/src/mojo/public/python:packaged_bindings",
       "//third_party/mojo_services/src/accessibility/public/interfaces:interfaces_python",
     ]
   }
 }
@@ skipping 193 matching lines @@
       "//ui/views:views_unittests",  # TooltipControllerTest failures
       "//ui/wm:wm_unittests",  # PASSES 4/21/2015
       "//url:url_unittests",  # PASSES 4/17/2015
 
       # TODO(GYP) nacl_integration
       # TODO(GYP) telemetry_perf_unittests
       # TODO(GYP) telemetry_unittests
     ]
   }
 }