Remove reference counting from HttpNetworkSession.

ios/crnet/crnet_environment.mm

Index: ios/crnet/crnet_environment.mm
diff --git a/ios/crnet/crnet_environment.mm b/ios/crnet/crnet_environment.mm
index 3eb873a1f081d1778b2e7c67710d9d22230e8ef6..479531b08fb8e69372ed4c5a6f4887eb95417c60 100644
--- a/ios/crnet/crnet_environment.mm
+++ b/ios/crnet/crnet_environment.mm
@@ -446,7 +446,12 @@ void CrNetEnvironment::InitializeOnNetworkThread() {
         base::WorkerPool::GetTaskRunner(true));
   }
 
-  net::HttpCache* main_cache = new net::HttpCache(params, main_backend);
+  // TODO(mmenke):  These really shouldn't be leaked.
+  //                See http://crbug.com/523858.

[pauljensen, 2015/09/11 13:05:25]

nit: http->https or personally I'd shorten it to just "crbug.com/523858" and put
it on the previous line.

[mmenke, 2015/09/11 14:46:49]

Done (Went with https - some editors have build-in URL support, seems like it's
nice to support them).

+  net::HttpNetworkSession* http_network_session =
+      new net::HttpNetworkSession(params);
+  net::HttpCache* main_cache = new net::HttpCache(
+      http_network_session, main_backend, true /* set_up_quic_server_info */);
   main_context_->set_http_transaction_factory(main_cache);
 
   // Cookies