Implement a trivial Mojo EchoService that can be connected to over DBus

mojo/mojo_examples.gypi

 # Copyright 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.
 
 {
   'targets': [
     {
       'target_name': 'mojo_sample_app',
       'type': 'shared_library',
       'dependencies': [
@@ skipping 62 matching lines @@
       ],
     },
     {
       'target_name': 'package_mojo_compositor_app',
       'variables': {
         'app_name': 'mojo_compositor_app',
       },
       'includes': [ 'build/package_app.gypi' ],
     },
     {
+      'target_name': 'mojo_dbus_echo',
+      'type': 'shared_library',
+      'dependencies': [
+        '../base/base.gyp:base',
+        'mojo_bindings',
+        'mojo_environment_standalone',
+        'mojo_echo_bindings',
+        'mojo_shell_client',
+        'mojo_system',
+        'mojo_utility',
+      ],
+      'sources': [
+        'examples/dbus_echo/dbus_echo_app.cc',
+      ],
+    },
+    {
+      'target_name': 'package_mojo_dbus_echo',
+      'variables': {
+        'app_name': 'mojo_dbus_echo',
+      },
+      'includes': [ 'build/package_app.gypi' ],
+    },
+    {
       'target_name': 'mojo_pepper_container_app',
       'type': 'shared_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../gpu/gpu.gyp:command_buffer_common',
         '../ppapi/ppapi.gyp:ppapi_c',
         '../ppapi/ppapi_internal.gyp:ppapi_example_gles2_spinning_cube',
         'mojo_common_lib',
         'mojo_environment_chromium',
@@ skipping 222 matching lines @@
           'target_name': 'package_mojo_view_manager',
           'variables': {
             'app_name': 'mojo_view_manager',
           },
           'includes': [ 'build/package_app.gypi' ],
         },
       ],
     }],
   ],
 }