Only commit cookie changes in prerenders after a prerender is shown

chrome/browser/profiles/profile_io_data.cc

 // 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.
 
 #include "chrome/browser/profiles/profile_io_data.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 349 matching lines @@
                                          user->username_hash(),
                                          profile->GetPath(),
                                          is_primary_user));
     }
   }
   if (params->username_hash.empty())
     LOG(WARNING) << "no username_hash";
 #endif
 
   params->profile = profile;
+  params->prerender_tracker = g_browser_process->prerender_tracker();
   profile_params_.reset(params.release());
 
   ChromeNetworkDelegate::InitializePrefsOnUIThread(
       &enable_referrers_,
       &enable_do_not_track_,
       &force_safesearch_,
       pref_service);
 
   scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy =
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
@@ skipping 558 matching lines @@
   network_delegate->set_extension_info_map(
       profile_params_->extension_info_map.get());
 #if defined(ENABLE_CONFIGURATION_POLICY)
   network_delegate->set_url_blacklist_manager(url_blacklist_manager_.get());
 #endif
   network_delegate->set_profile(profile_params_->profile);
   network_delegate->set_profile_path(profile_params_->path);
   network_delegate->set_cookie_settings(profile_params_->cookie_settings.get());
   network_delegate->set_enable_do_not_track(&enable_do_not_track_);
   network_delegate->set_force_google_safe_search(&force_safesearch_);
+  network_delegate->set_prerender_tracker(profile_params_->prerender_tracker);
   network_delegate_.reset(network_delegate);
 
   fraudulent_certificate_reporter_.reset(
       new chrome_browser_net::ChromeFraudulentCertificateReporter(
           main_request_context_.get()));
 
   // NOTE: Proxy service uses the default io thread network delegate, not the
   // delegate just created.
   proxy_service_.reset(
       ProxyServiceFactory::CreateProxyService(
@@ skipping 209 matching lines @@
 void ProfileIOData::SetCookieSettingsForTesting(
     CookieSettings* cookie_settings) {
   DCHECK(!cookie_settings_.get());
   cookie_settings_ = cookie_settings;
 }
 
 void ProfileIOData::set_signin_names_for_testing(
     SigninNamesOnIOThread* signin_names) {
   signin_names_.reset(signin_names);
 }