Create a content::ResourceContext.

content/content_browser.gypi

 # Copyright (c) 2011 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_browser',
       'type': '<(library)',
       'dependencies': [
@@ skipping 255 matching lines @@
         'browser/renderer_host/resource_request_details.cc',
         'browser/renderer_host/resource_request_details.h',
         'browser/renderer_host/socket_stream_dispatcher_host.cc',
         'browser/renderer_host/socket_stream_dispatcher_host.h',
         'browser/renderer_host/socket_stream_host.cc',
         'browser/renderer_host/socket_stream_host.h',
         'browser/renderer_host/sync_resource_handler.cc',
         'browser/renderer_host/sync_resource_handler.h',
         'browser/renderer_host/x509_user_cert_resource_handler.cc',
         'browser/renderer_host/x509_user_cert_resource_handler.h',
+        'browser/resource_context.cc',
+        'browser/resource_context.h',
         'browser/site_instance.cc',
         'browser/site_instance.h',
         'browser/speech/audio_encoder.cc',
         'browser/speech/audio_encoder.h',
         'browser/speech/endpointer/endpointer.cc',
         'browser/speech/endpointer/endpointer.h',
         'browser/speech/endpointer/energy_endpointer.cc',
         'browser/speech/endpointer/energy_endpointer.h',
         'browser/speech/endpointer/energy_endpointer_params.cc',
         'browser/speech/endpointer/energy_endpointer_params.h',
@@ skipping 81 matching lines @@
             'mac_bundle_resources': [
               'browser/gpu.sb',
               'browser/worker.sb',
             ],
           },
         }],
       ],
     },
   ],
 }