Various mojom cleanup from ContentHandler changes.

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 19 matching lines @@
         'mojo_base.gyp:mojo_base',
         'mojo_compositor_app',
         'mojo_content_handler_demo',
         'mojo_echo_client',
         'mojo_echo_service',
         'mojo_example_apptests',
         'mojo_example_service',
         'mojo_geometry_lib',
         'mojo_html_viewer',
         'mojo_js',
-        'mojo_launcher',
         'mojo_native_viewport_service_lib',
         'mojo_network_service',
         'mojo_pepper_container_app',
         'mojo_png_viewer',
         'mojo_sample_app',
         'mojo_shell',
         'mojo_shell_lib',
         'mojo_shell_tests',
         'mojo_surfaces_app',
         'mojo_surfaces_app',
@@ skipping 542 matching lines @@
           'dependencies': [
             'mojo_python_embedder',
             'mojo_python_system',
           ],
           'includes': [ '../third_party/cython/python_module.gypi' ],
         },
       ],
     }],
   ],
 }