First cut at "content handling" support in Mojo.

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 474 matching lines @@
       'type': '<(component)',
       'defines': [
         'MOJO_SERVICE_MANAGER_IMPLEMENTATION',
       ],
       'dependencies': [
         '../base/base.gyp:base',
         '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../net/net.gyp:net',
         '../url/url.gyp:url_lib',
         'mojo_common_lib',
+        'mojo_content_handler_bindings',
         'mojo_environment_chromium',
+        'mojo_network_bindings',
         'mojo_service_provider_bindings',
         '<(mojo_system_for_component)',
       ],
       'sources': [
         'service_manager/background_service_loader.cc',
         'service_manager/background_service_loader.h',
+        'service_manager/service_loader.cc',
         'service_manager/service_loader.h',
         'service_manager/service_manager.cc',
         'service_manager/service_manager.h',
         'service_manager/service_manager_export.h',
       ],
       'export_dependent_settings': [
         '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         'mojo_service_provider_bindings',
       ],
     },
@@ skipping 536 matching lines @@
             'views/views_init_internal.h',
           ],
           'defines': [
             'MOJO_VIEWS_IMPLEMENTATION',
           ],
         },
       ],
     }],
   ],
 }