Stub out initial NavigationController browser implementation

content/content_browser.gypi

 # Copyright (c) 2012 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.
 
 {
   'dependencies': [
     'browser/speech/proto/speech_proto.gyp:speech_proto',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
@@ skipping 699 matching lines @@
     'browser/media/webrtc_internals.cc',
     'browser/media/webrtc_internals.h',
     'browser/media/webrtc_internals_message_handler.cc',
     'browser/media/webrtc_internals_message_handler.h',
     'browser/media/webrtc_internals_ui.cc',
     'browser/media/webrtc_internals_ui.h',
     'browser/media/webrtc_internals_ui_observer.h',
     'browser/media_devices_monitor.cc',
     'browser/mime_registry_message_filter.cc',
     'browser/mime_registry_message_filter.h',
+    'browser/nav_controller/nav_controller_dispatcher_host.h',
+    'browser/nav_controller/nav_controller_dispatcher_host.cc',
+    'browser/nav_controller/nav_controller_context.h',
+    'browser/nav_controller/nav_controller_context.cc',
     'browser/net/browser_online_state_observer.cc',
     'browser/net/browser_online_state_observer.h',
     'browser/net/sqlite_persistent_cookie_store.cc',
     'browser/net/sqlite_persistent_cookie_store.h',
     'browser/net/view_blob_internals_job_factory.cc',
     'browser/net/view_blob_internals_job_factory.h',
     'browser/net/view_http_cache_job_factory.cc',
     'browser/net/view_http_cache_job_factory.h',
     'browser/notification_service_impl.cc',
     'browser/notification_service_impl.h',
@@ skipping 797 matching lines @@
         '../third_party/speex/speex.gyp:libspeex',
       ],
     }],
     ['linux_use_libgps==1', {
       'dependencies': [
         '../build/linux/system.gyp:libgps',
       ],
     }],
   ],
 }