(Try 2) InstantExtended: remove dead code related to the non-cacheable NTP.

chrome/chrome_browser_ui.gypi

 # Copyright 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_ui',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 1495 matching lines @@
         'browser/ui/sad_tab_helper.h',
         'browser/ui/sad_tab_types.h',
         'browser/ui/scoped_tabbed_browser_displayer.cc',
         'browser/ui/scoped_tabbed_browser_displayer.h',
         'browser/ui/screen_capture_notification_ui.h',
         'browser/ui/screen_capture_notification_ui_stub.cc',
         'browser/ui/search/instant_controller.cc',
         'browser/ui/search/instant_controller.h',
         'browser/ui/search/instant_ipc_sender.cc',
         'browser/ui/search/instant_ipc_sender.h',
-        'browser/ui/search/instant_loader.cc',
-        'browser/ui/search/instant_loader.h',
-        'browser/ui/search/instant_ntp.cc',
-        'browser/ui/search/instant_ntp.h',
-        'browser/ui/search/instant_ntp_prerenderer.cc',
-        'browser/ui/search/instant_ntp_prerenderer.h',
         'browser/ui/search/instant_page.cc',
         'browser/ui/search/instant_page.h',
         'browser/ui/search/instant_search_prerenderer.cc',
         'browser/ui/search/instant_search_prerenderer.h',
         'browser/ui/search/instant_tab.cc',
         'browser/ui/search/instant_tab.h',
-        'browser/ui/search/instant_unload_handler.cc',
-        'browser/ui/search/instant_unload_handler.h',
         'browser/ui/search/search_delegate.cc',
         'browser/ui/search/search_delegate.h',
         'browser/ui/search/search_ipc_router.cc',
         'browser/ui/search/search_ipc_router.h',
         'browser/ui/search/search_ipc_router_policy_impl.cc',
         'browser/ui/search/search_ipc_router_policy_impl.h',
         'browser/ui/search/search_model.cc',
         'browser/ui/search/search_model.h',
         'browser/ui/search/search_model_observer.h',
         'browser/ui/search/search_tab_helper.cc',
@@ skipping 1828 matching lines @@
             'browser/ui/webui/local_discovery/local_discovery_ui.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui.h',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.h',
           ],
         }],
       ],
     },
   ],
 }