Remove dead code for gpu blacklist auto-update.

chrome/chrome_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': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 3935 matching lines @@
         'browser/upgrade_detector_impl.cc',
         'browser/upgrade_detector_impl.h',
         'browser/user_style_sheet_watcher.cc',
         'browser/user_style_sheet_watcher.h',
         'browser/visitedlink/visitedlink_event_listener.cc',
         'browser/visitedlink/visitedlink_event_listener.h',
         'browser/visitedlink/visitedlink_master.cc',
         'browser/visitedlink/visitedlink_master.h',
         'browser/web_applications/web_app.cc',
         'browser/web_applications/web_app.h',
-        'browser/web_resource/gpu_blacklist_updater.cc',
-        'browser/web_resource/gpu_blacklist_updater.h',
         'browser/web_resource/notification_promo.cc',
         'browser/web_resource/notification_promo.h',
         'browser/web_resource/promo_resource_service.cc',
         'browser/web_resource/promo_resource_service.h',
         'browser/web_resource/web_resource_service.cc',
         'browser/web_resource/web_resource_service.h',
         'browser/webdata/autocomplete_syncable_service.cc',
         'browser/webdata/autocomplete_syncable_service.h',
         'browser/webdata/autofill_change.cc',
         'browser/webdata/autofill_change.h',
@@ skipping 1280 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/history/in_memory_url_index_cache.proto' ],
       'variables': {
         'proto_in_dir': 'browser/history',
         'proto_out_dir': 'chrome/browser/history',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }