Add an option to disable net::BidirectionalStreamQuicImpl

components/cronet/url_request_context_config.cc

Index: components/cronet/url_request_context_config.cc
diff --git a/components/cronet/url_request_context_config.cc b/components/cronet/url_request_context_config.cc
index 329d9a0ccefe7a3f8b4e83949e6ac1574fae019d..708a570c02b7ff495e537153536f548582f4145d 100644
--- a/components/cronet/url_request_context_config.cc
+++ b/components/cronet/url_request_context_config.cc
@@ -44,6 +44,8 @@ const char kQuicMigrateSessionsOnNetworkChange[] =
 const char kQuicPreferAes[] = "prefer_aes";
 const char kQuicUserAgentId[] = "user_agent_id";
 const char kQuicMigrateSessionsEarly[] = "migrate_sessions_early";
+const char kQuicDisableBidirectionalStreams[] =
+    "quic_disable_bidirectional_streams";
 
 // AsyncDNS experiment dictionary name.
 const char kAsyncDnsFieldTrialName[] = "AsyncDNS";
@@ -168,6 +170,13 @@ void ParseAndSetExperimentalOptions(
       context_builder->set_quic_migrate_sessions_early(
           quic_migrate_sessions_early);
     }
+
+    bool quic_disable_bidirectional_streams = false;
+    if (quic_args->GetBoolean(kQuicDisableBidirectionalStreams,
+                              &quic_disable_bidirectional_streams)) {
+      context_builder->set_quic_disable_bidirectional_streams(
+          quic_disable_bidirectional_streams);
+    }
   }
 
   const base::DictionaryValue* async_dns_args = nullptr;