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

mojo/mojo.gyp

 # 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.
 
 {
   'target_defaults': {
     'conditions': [
       ['mojo_shell_debug_url != ""', {
         'defines': [
           'MOJO_SHELL_DEBUG=1',
@@ skipping 47 matching lines @@
         ['use_aura==1', {
           'dependencies': [
             'mojo_aura_demo',
             'mojo_launcher',
             'mojo_view_manager',
           ],
         }],
       ]
     },
     {
+      'target_name': 'mojo_external_service_bindings',
+      'type': 'static_library',
+      'sources': [
+        'shell/external_service.mojom',
+      ],
+      'variables': {
+        'mojom_base_output_dir': 'mojo',
+      },
+      'includes': [ 'public/tools/bindings/mojom_bindings_generator.gypi' ],
+      'export_dependent_settings': [
+        'mojo_bindings',
+      ],
+      'dependencies': [
+        'mojo_bindings',
+      ],
+    },
+    {
       'target_name': 'mojo_run_all_unittests',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:test_support_base',
         '../testing/gtest.gyp:gtest',
         'mojo_system_impl',
         'mojo_test_support',
         'mojo_test_support_impl',
       ],
@@ skipping 327 matching lines @@
       ],
     },
     {
       'target_name': 'mojo_shell_lib',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:base_static',
         '../net/net.gyp:net',
         '../url/url.gyp:url_lib',
+        'mojo_external_service_bindings',
         'mojo_gles2_impl',
         'mojo_service_manager',
         'mojo_shell_bindings',
         'mojo_system_impl',
         'mojo_native_viewport_service',
         'mojo_spy',
       ],
       'variables': {
         'mojom_base_output_dir': 'mojo',
       },
       'includes': [ 'public/tools/bindings/mojom_bindings_generator.gypi' ],
       'sources': [
         'shell/app_child_process.cc',
         'shell/app_child_process.h',
         'shell/app_child_process.mojom',
         'shell/app_child_process_host.cc',
         'shell/app_child_process_host.h',
         'shell/child_process.cc',
         'shell/child_process.h',
         'shell/child_process_host.cc',
         'shell/child_process_host.h',
         'shell/context.cc',
         'shell/context.h',
+        'shell/dbus_service_loader_linux.cc',
+        'shell/dbus_service_loader_linux.h',
         'shell/dynamic_service_loader.cc',
         'shell/dynamic_service_loader.h',
         'shell/dynamic_service_runner.h',
         'shell/init.cc',
         'shell/init.h',
         'shell/in_process_dynamic_service_runner.cc',
         'shell/in_process_dynamic_service_runner.h',
         'shell/keep_alive.cc',
         'shell/keep_alive.h',
         'shell/loader.cc',
         'shell/loader.h',
         'shell/network_delegate.cc',
         'shell/network_delegate.h',
         'shell/out_of_process_dynamic_service_runner.cc',
         'shell/out_of_process_dynamic_service_runner.h',
         'shell/run.cc',
         'shell/run.h',
         'shell/storage.cc',
         'shell/storage.h',
         'shell/switches.cc',
         'shell/switches.h',
         'shell/task_runners.cc',
         'shell/task_runners.h',
         'shell/test_child_process.cc',
         'shell/test_child_process.h',
         'shell/url_request_context_getter.cc',
         'shell/url_request_context_getter.h',
       ],
+      'conditions': [
+        ['OS=="linux"', {
+          'dependencies': [
+            '../build/linux/system.gyp:dbus',
+            '../dbus/dbus.gyp:dbus',
+          ],
+        }],
+      ],
     },
     {
       'target_name': 'mojo_shell',
       'type': 'executable',
       'dependencies': [
         '../base/base.gyp:base',
         '../ui/gl/gl.gyp:gl',
         '../url/url.gyp:url_lib',
         'mojo_common_lib',
         'mojo_environment_chromium',
@@ skipping 177 matching lines @@
             'mojo_js_unittests.isolate',
           ],
           'sources': [
             'mojo_js_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }