Initial support for partitioning cookies for isolated apps.

net/url_request/url_request_context.cc

Index: net/url_request/url_request_context.cc
diff --git a/net/url_request/url_request_context.cc b/net/url_request/url_request_context.cc
index 2f558ccdbd86c214e68499f243bb56623dd5bbca..7e026410b34fc33a152970d668f47573bbb47aa3 100644
--- a/net/url_request/url_request_context.cc
+++ b/net/url_request/url_request_context.cc
@@ -27,6 +27,29 @@ URLRequestContext::URLRequestContext()
       ftp_transaction_factory_(NULL) {
 }
 
+void URLRequestContext::CopyFrom(URLRequestContext* other) {
+  // Copy URLRequestContext parameters.
+  // Do not copy is_main_.
+  set_net_log(other->net_log());
+  set_host_resolver(other->host_resolver());
+  set_cert_verifier(other->cert_verifier());
+  set_dnsrr_resolver(other->dnsrr_resolver());
+  set_dns_cert_checker(other->dns_cert_checker());
+  set_http_auth_handler_factory(other->http_auth_handler_factory());
+  set_proxy_service(other->proxy_service());
+  set_ssl_config_service(other->ssl_config_service());
+  set_network_delegate(other->network_delegate());
+  set_cookie_store(other->cookie_store());
+  set_cookie_policy(other->cookie_policy());
+  set_transport_security_state(other->transport_security_state());
+  // FTPAuthCache is unique per context.
+  set_accept_language(other->accept_language());
+  set_accept_charset(other->accept_charset());
+  set_referrer_charset(other->referrer_charset());
+  set_http_transaction_factory(other->http_transaction_factory());
+  set_ftp_transaction_factory(other->ftp_transaction_factory());
+}
+
 void URLRequestContext::set_cookie_store(CookieStore* cookie_store) {
   cookie_store_ = cookie_store;
 }