net: remove DNS certificate checking code.

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 1573 matching lines @@
         'browser/metrics/metrics_service.cc',
         'browser/metrics/metrics_service.h',
         'browser/metrics/thread_watcher.cc',
         'browser/metrics/thread_watcher.h',
         'browser/mock_keychain_mac.cc',
         'browser/mock_keychain_mac.h',
         'browser/native_window_notification_source.h',
         'browser/net/browser_url_util.cc',
         'browser/net/browser_url_util.h',
         'browser/net/chrome_cookie_notification_details.h',
-        'browser/net/chrome_dns_cert_provenance_checker.cc',
-        'browser/net/chrome_dns_cert_provenance_checker.h',
-        'browser/net/chrome_dns_cert_provenance_checker_factory.cc',
-        'browser/net/chrome_dns_cert_provenance_checker_factory.h',
         'browser/net/chrome_fraudulent_certificate_reporter.cc',
         'browser/net/chrome_fraudulent_certificate_reporter.h',
         'browser/net/chrome_net_log.cc',
         'browser/net/chrome_net_log.h',
         'browser/net/chrome_network_delegate.cc',
         'browser/net/chrome_network_delegate.h',
         'browser/net/chrome_url_request_context.cc',
         'browser/net/chrome_url_request_context.h',
         'browser/net/connect_interceptor.cc',
         'browser/net/connect_interceptor.h',
@@ skipping 3678 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' ]
     },
   ],
 }