First cut at "content handling" support in Mojo.

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 347 matching lines @@
       'includes': [ 'public/tools/bindings/mojom_bindings_generator.gypi' ],
       'export_dependent_settings': [
         'mojo_base.gyp:mojo_cpp_bindings',
       ],
       'dependencies': [
         'mojo_base.gyp:mojo_cpp_bindings',
         'mojo_network_bindings',
       ],
     },
     {
+      # GN version: //mojo/services/public/interfaces/content_handler
+      'target_name': 'mojo_content_handler_bindings',
+      'type': 'static_library',
+      'sources': [
+        'services/public/interfaces/content_handler/content_handler.mojom',
+      ],
+      'includes': [ 'public/tools/bindings/mojom_bindings_generator.gypi' ],
+      'export_dependent_settings': [
+        'mojo_base.gyp:mojo_cpp_bindings',
+      ],
+      'dependencies': [
+        'mojo_base.gyp:mojo_cpp_bindings',
+        'mojo_network_bindings',
+      ],
+    },
+    {
       # GN version: //mojo/services/public/interfaces/network
       'target_name': 'mojo_network_bindings',
       'type': 'static_library',
       'sources': [
         'services/public/interfaces/network/cookie_store.mojom',
         'services/public/interfaces/network/network_error.mojom',
         'services/public/interfaces/network/network_service.mojom',
         'services/public/interfaces/network/url_loader.mojom',
       ],
       'includes': [ 'public/tools/bindings/mojom_bindings_generator.gypi' ],
@@ skipping 530 matching lines @@
             'mojo_echo_bindings',
           ],
           'sources': [
             'services/dbus_echo/dbus_echo_service.cc',
           ],
         },
       ],
     }],
   ],
 }