net: remove DNS certificate checking code.

content/shell/shell_url_request_context_getter.cc

 // 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.
 
 #include "content/shell/shell_url_request_context_getter.h"
 
 #include "base/logging.h"
 #include "base/string_split.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/cert_verifier.h"
@@ skipping 62 matching lines @@
             net::DISK_CACHE,
             cache_path,
             0,
             BrowserThread::GetMessageLoopProxyForThread(
                 BrowserThread::CACHE));
 
     net::HttpCache* main_cache = new net::HttpCache(
         url_request_context_->host_resolver(),
         url_request_context_->cert_verifier(),
         url_request_context_->origin_bound_cert_service(),
-        NULL, //tranport_security_state
-        NULL, //dns_cert_checker
+        NULL, // tranport_security_state
         url_request_context_->proxy_service(),
-        "" /* ssl_session_cache_shard */,
+        "", // ssl_session_cache_shard
         url_request_context_->ssl_config_service(),
         url_request_context_->http_auth_handler_factory(),
         NULL,  // network_delegate
         url_request_context_->http_server_properties(),
         NULL,
         main_backend);
     storage_->set_http_transaction_factory(main_cache);
 
     storage_->set_job_factory(new net::URLRequestJobFactory);
   }
@@ skipping 11 matching lines @@
 scoped_refptr<base::MessageLoopProxy>
     ShellURLRequestContextGetter::GetIOMessageLoopProxy() const {
   return BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
 }
 
 net::HostResolver* ShellURLRequestContextGetter::host_resolver() {
   return url_request_context_->host_resolver();
 }
 
 }  // namespace content