QUIC - don't load data from disk cache if alternate protocol map doesn't

chrome/browser/io_thread.cc

Index: chrome/browser/io_thread.cc
diff --git a/chrome/browser/io_thread.cc b/chrome/browser/io_thread.cc
index 8f34934df52870467cdb374c8fee132338a84422..aaf9faa131f2de89b1e008d4d2dfa95ea44de0f4 100644
--- a/chrome/browser/io_thread.cc
+++ b/chrome/browser/io_thread.cc
@@ -1060,6 +1060,8 @@ void IOThread::InitializeNetworkSessionParamsFromGlobals(
       &params->quic_disable_connection_pooling);
   globals.quic_load_server_info_timeout_ms.CopyToIfSet(
       &params->quic_load_server_info_timeout_ms);
+  globals.quic_disable_loading_server_info_for_new_servers.CopyToIfSet(
+      &params->quic_disable_loading_server_info_for_new_servers);
   globals.enable_quic_port_selection.CopyToIfSet(
       &params->enable_quic_port_selection);
   globals.quic_max_packet_length.CopyToIfSet(&params->quic_max_packet_length);
@@ -1210,6 +1212,8 @@ void IOThread::ConfigureQuicGlobals(
       globals->quic_load_server_info_timeout_ms.set(
           load_server_info_timeout_ms);
     }
+    globals->quic_disable_loading_server_info_for_new_servers.set(
+        ShouldDisableLoadingServerInfoForNewServers(quic_trial_params));
     globals->enable_quic_port_selection.set(
         ShouldEnableQuicPortSelection(command_line));
     globals->quic_connection_options =
@@ -1374,6 +1378,15 @@ int IOThread::GetQuicLoadServerInfoTimeout(
 }
 
 // static
+bool IOThread::ShouldDisableLoadingServerInfoForNewServers(
+    const VariationParameters& quic_trial_params) {
+  return LowerCaseEqualsASCII(
+      GetVariationParam(quic_trial_params,
+                        "disable_loading_server_info_for_new_servers"),
+      "true");
+}
+
+// static
 size_t IOThread::GetQuicMaxPacketLength(
     const CommandLine& command_line,
     base::StringPiece quic_trial_group,