Accept inbound connections on unix domain socket

mojo/mojo.gyp

Index: mojo/mojo.gyp
diff --git a/mojo/mojo.gyp b/mojo/mojo.gyp
index 3a67886742646e3e6044840280347cf91880e058..b2c5958d564b1b86f08c871acfa7c199dda28c12 100644
--- a/mojo/mojo.gyp
+++ b/mojo/mojo.gyp
@@ -176,6 +176,13 @@
         'shell/dynamic_application_loader.cc',
         'shell/dynamic_application_loader.h',
         'shell/dynamic_service_runner.h',
+        'shell/external_application_listener.cc',
+        'shell/external_application_listener.h',
+        'shell/external_application_registrar.mojom',
+        'shell/external_application_registrar_connection.cc',
+        'shell/external_application_registrar_connection.h',
+        'shell/incoming_connection_listener.cc',
+        'shell/incoming_connection_listener.h',
         'shell/init.cc',
         'shell/init.h',
         'shell/in_process_dynamic_service_runner.cc',
@@ -275,6 +282,7 @@
       'sources': [
         'shell/child_process_host_unittest.cc',
         'shell/dynamic_application_loader_unittest.cc',
+        'shell/external_application_listener_unittest.cc',
         'shell/in_process_dynamic_service_runner_unittest.cc',
         'shell/shell_test_base.cc',
         'shell/shell_test_base.h',
@@ -290,6 +298,28 @@
       ],
     },
     {
+      # GN version: //mojo/shell:mojo_external_application_tests
+      'target_name': 'mojo_external_application_tests',
+      'type': '<(gtest_target_type)',
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../base/base.gyp:test_support_base',
+        '../testing/gtest.gyp:gtest',
+        '../net/net.gyp:net_test_support',
+        '../url/url.gyp:url_lib',
+        'mojo_application_manager',
+        'mojo_base.gyp:mojo_common_lib',
+        'mojo_base.gyp:mojo_environment_chromium',
+        'mojo_base.gyp:mojo_system_impl',
+        'mojo_shell_lib',
+      ],
+      'sources': [
+        'shell/incoming_connection_listener_unittest.cc',
+        'shell/external_application_listener_unittest.cc',
+        'shell/external_application_test_main.cc',
+      ],
+    },
+    {
       # GN version: //mojo/application_manager
       'target_name': 'mojo_application_manager',
       'type': '<(component)',
@@ -323,7 +353,7 @@
       ],
     },
     {
-      # GN version: //mojo/application_manager:unittests
+      # GN version: //mojo/application_manager:mojo_application_manager_unittests
       'target_name': 'mojo_application_manager_unittests',
       'type': 'executable',
       'dependencies': [