[Cronet] Use CookieStoreIOS to sync cookies to system store.

components/cronet/ios/cronet_environment.mm

 // Copyright 2016 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 "components/cronet/ios/cronet_environment.h"
 
 #include <utility>
 
 #include "base/at_exit.h"
 #include "base/atomicops.h"
@@ skipping 24 matching lines @@
 #include "net/dns/mapped_host_resolver.h"
 #include "net/http/http_server_properties_impl.h"
 #include "net/http/http_stream_factory.h"
 #include "net/http/http_transaction_factory.h"
 #include "net/http/http_util.h"
 #include "net/log/net_log.h"
 #include "net/log/net_log_capture_mode.h"
 #include "net/log/write_to_file_net_log_observer.h"
 #include "net/proxy/proxy_service.h"
 #include "net/socket/ssl_client_socket.h"
+#include "net/ssl/channel_id_service.h"
 #include "net/url_request/http_user_agent_settings.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_builder.h"
 #include "net/url_request/url_request_context_storage.h"
 #include "net/url_request/url_request_job_factory_impl.h"
 #include "url/scheme_host_port.h"
 #include "url/url_util.h"
 
 namespace {
 
@@ skipping 243 matching lines @@
 
   config->ConfigureURLRequestContextBuilder(&context_builder, net_log_.get(),
                                             file_thread_.get()->task_runner());
 
   std::unique_ptr<net::MappedHostResolver> mapped_host_resolver(
       new net::MappedHostResolver(
           net::HostResolver::CreateDefaultResolver(nullptr)));
 
   context_builder.set_host_resolver(std::move(mapped_host_resolver));
 
+  std::unique_ptr<net::CookieStore> cookie_store(
+      net::CookieStoreIOS::CreateCookieStore(
+          [NSHTTPCookieStorage sharedHTTPCookieStorage]));
+  context_builder.SetCookieAndChannelIdStores(std::move(cookie_store), nullptr);
+
   std::unordered_set<std::string> quic_host_whitelist;
   std::unique_ptr<net::HttpServerProperties> http_server_properties(
       new net::HttpServerPropertiesImpl());
   for (const auto& quic_hint : quic_hints_) {
     net::AlternativeService alternative_service(net::kProtoQUIC, "",
                                                 quic_hint.port());
     url::SchemeHostPort quic_hint_server("https", quic_hint.host(),
                                          quic_hint.port());
     http_server_properties->SetAlternativeService(
         quic_hint_server, alternative_service, base::Time::Max());
@@ skipping 42 matching lines @@
   event->Signal();
 }
 
 std::string CronetEnvironment::getDefaultQuicUserAgentId() const {
   return base::SysNSStringToUTF8([[NSBundle mainBundle]
              objectForInfoDictionaryKey:@"CFBundleDisplayName"]) +
          " Cronet/" + CRONET_VERSION;
 }
 
 }  // namespace cronet