Add GYP targets for mojo shell and some basic mojo services

mojo/mojo_services.gyp

+# Copyright 2015 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': [{
+    # GN version: //mojo/services/network/public/interfaces
+    'target_name': 'network_service_bindings_mojom',
+    'type': 'static_library',
+    'variables': {
+      'mojom_files': [
+        'services/network/public/interfaces/cookie_store.mojom',
+        'services/network/public/interfaces/http_connection.mojom',
+        'services/network/public/interfaces/http_server.mojom',
+        'services/network/public/interfaces/net_address.mojom',
+        'services/network/public/interfaces/network_error.mojom',
+        'services/network/public/interfaces/network_service.mojom',
+        'services/network/public/interfaces/tcp_bound_socket.mojom',
+        'services/network/public/interfaces/tcp_connected_socket.mojom',
+        'services/network/public/interfaces/tcp_server_socket.mojom',
+        'services/network/public/interfaces/udp_socket.mojom',
+        'services/network/public/interfaces/url_loader.mojom',
+        'services/network/public/interfaces/web_socket.mojom',
+      ],
+      'mojom_include_path': '<(DEPTH)/mojo/services',
+    },
+    'includes': [
+      '../third_party/mojo/mojom_bindings_generator_explicit.gypi',
+    ],
+  }, {
+    # GN version: //third_party/mojo_services/src/content_handler/public/interfaces
+    'target_name': 'content_handler_bindings_mojom',
+    'type': 'static_library',
+    'variables': {
+      'mojom_files': [
+        '../third_party/mojo_services/src/content_handler/public/interfaces/content_handler.mojom',
+      ],
+      'mojom_include_path': '<(DEPTH)/mojo/services',
+    },
+    'includes': [
+      '../third_party/mojo/mojom_bindings_generator_explicit.gypi',
+    ],
+    'dependencies': [
+      '<(DEPTH)/mojo/mojo_services.gyp:network_service_bindings_mojom',
+      '<(DEPTH)/third_party/mojo/mojo_public.gyp:mojo_application_bindings_mojom',
+    ],
+  }],
+}