Move Mojo channel initialization closer to IPC::Channel setup

content/content_common_mojo_bindings.gypi

 # Copyright 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': [
     {
       'target_name': 'content_common_mojo_bindings',
       'type': 'static_library',
       'dependencies': [
         '../mojo/mojo.gyp:mojo_bindings',
         '../mojo/mojo.gyp:mojo_environment_chromium',
       ],
       'sources': [
-        'common/mojo/render_process.mojom',
+        'common/web_ui_setup.mojom',
       ],
       # TODO(sky): this shouldn't be necessary. It's working around a bug in
       # gyp.
       'variables': {
         'mojom_base_output_dir': 'content',
       },
       'includes': [ '../mojo/public/tools/bindings/mojom_bindings_generator.gypi' ],
       'export_dependent_settings': [
         '../mojo/mojo.gyp:mojo_bindings',
         '../mojo/mojo.gyp:mojo_environment_chromium',
       ],
     },
   ],
 }