This gets mojo_launcher.so a little further along toward running.

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 231 matching lines @@
           'dependencies': [
             'mojo_cpp_bindings',
           ],
         },
         {
           'target_name': 'mojo_launcher',
           'type': 'shared_library',
           'dependencies': [
             '../base/base.gyp:base',
             '../base/base.gyp:base_i18n',
+            '../base/base.gyp:test_support_base',
             '../ui/aura/aura.gyp:aura',
             '../ui/aura/aura.gyp:aura_test_support',
             '../ui/base/ui_base.gyp:ui_base',
             '../ui/gfx/gfx.gyp:gfx',
             '../ui/gfx/gfx.gyp:gfx_geometry',
             '../ui/views/views.gyp:views',
             '../ui/wm/wm.gyp:wm',
             '../url/url.gyp:url_lib',
             'mojo_aura_demo_support',
             'mojo_common_lib',
@@ skipping 51 matching lines @@
             'mojo_utility',
           ],
           'sources': [
             'examples/dbus_echo/dbus_echo_app.cc',
           ],
         },
       ],
     }],
   ],
 }