GN: Mojo wget, sample_app, surfaces app and component build

mojo/mojo_services.gypi

 # Copyright (c) 2014 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/dbus_echo:bindings
       'target_name': 'mojo_echo_bindings',
       'type': 'static_library',
@@ skipping 129 matching lines @@
       'export_dependent_settings': [
         '../ui/gfx/gfx.gyp:gfx',
       ],
       'sources': [
         'services/public/cpp/geometry/lib/geometry_type_converters.cc',
         'services/public/cpp/geometry/geometry_type_converters.h',
         'services/public/cpp/geometry/mojo_geometry_export.h',
       ],
     },
     {
+      # GN version: //mojo/services/public/cpp/geometry
       'target_name': 'mojo_surfaces_lib',
       'type': '<(component)',
       'defines': [
         'MOJO_SURFACES_IMPLEMENTATION',
       ],
       'dependencies': [
         '../base/base.gyp:base',
         '../cc/cc.gyp:cc',
         '../cc/cc.gyp:cc_surfaces',
         '../gpu/gpu.gyp:gpu',
@@ skipping 217 matching lines @@
         '<(mojo_system_for_loadable_module)',
       ],
       'export_dependent_settings': [
         'mojo_network_bindings',
       ],
       'sources': [
         'services/network/main.cc',
       ],
     },
     {
+      # GN version: //mojo/services/surfaces
       'target_name': 'mojo_surfaces_service',
       'type': 'loadable_module',
       'dependencies': [
         '../base/base.gyp:base',
         '../cc/cc.gyp:cc',
         '../cc/cc.gyp:cc_surfaces',
         '../ui/gfx/gfx.gyp:gfx_geometry',
         'mojo_base.gyp:mojo_environment_chromium',
         'mojo_base.gyp:mojo_application_chromium',
         'mojo_cc_support',
@@ skipping 464 matching lines @@
             'mojo_echo_bindings',
           ],
           'sources': [
             'services/dbus_echo/dbus_echo_service.cc',
           ],
         },
       ],
     }],
   ],
 }