Mark QUIC broken when the network blackholes after the handshake

net/quic/chromium/quic_stream_factory.h

Index: net/quic/chromium/quic_stream_factory.h
diff --git a/net/quic/chromium/quic_stream_factory.h b/net/quic/chromium/quic_stream_factory.h
index 99a379129534dd86e2bccab02a56fffca1074fdd..71f055c28ee39c7b4b4a2800e943e25472444c1c 100644
--- a/net/quic/chromium/quic_stream_factory.h
+++ b/net/quic/chromium/quic_stream_factory.h
@@ -61,7 +61,7 @@ class HttpServerProperties;
 class NetLog;
 class ProxyDelegate;
 class QuicClock;
-class QuicChromiumAlarmFactory;
+class QuicAlarmFactory;
 class QuicChromiumConnectionHelper;
 class QuicCryptoClientStreamFactory;
 class QuicRandom;
@@ -145,6 +145,7 @@ class NET_EXPORT_PRIVATE QuicStreamRequest {
  private:
   QuicStreamFactory* factory_;
   HttpServerProperties* http_server_properties_;
+  bool mark_quic_broken_when_network_suspected_;
   QuicServerId server_id_;
   NetLogWithSource net_log_;
   CompletionCallback callback_;
@@ -220,6 +221,7 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
       int max_server_configs_stored_in_properties,
       bool close_sessions_on_ip_change,
       bool disable_quic_on_timeout_with_open_streams,
+      bool mark_quic_broken_when_network_suspected,
       int idle_connection_timeout_seconds,
       int reduced_ping_timeout_seconds,
       int packet_reader_yield_after_duration_milliseconds,
@@ -376,7 +378,7 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
 
   QuicChromiumConnectionHelper* helper() { return helper_.get(); }
 
-  QuicChromiumAlarmFactory* alarm_factory() { return alarm_factory_.get(); }
+  QuicAlarmFactory* alarm_factory() { return alarm_factory_.get(); }
 
   bool has_quic_server_info_factory() const {
     return quic_server_info_factory_.get() != nullptr;
@@ -406,6 +408,10 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
     return migrate_sessions_on_network_change_;
   }
 
+  bool mark_quic_broken_when_network_suspected() const {
+    return mark_quic_broken_when_network_suspected_;
+  }
+
   // Dumps memory allocation stats. |parent_dump_absolute_name| is the name
   // used by the parent MemoryAllocatorDump in the memory dump hierarchy.
   void DumpMemoryStats(base::trace_event::ProcessMemoryDump* pmd,
@@ -552,7 +558,7 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
   std::unique_ptr<QuicChromiumConnectionHelper> helper_;
 
   // The alarm factory used for all connections.
-  std::unique_ptr<QuicChromiumAlarmFactory> alarm_factory_;
+  std::unique_ptr<QuicAlarmFactory> alarm_factory_;
 
   // Contains owning pointers to all sessions that currently exist.
   SessionIdMap all_sessions_;
@@ -611,6 +617,10 @@ class NET_EXPORT_PRIVATE QuicStreamFactory
   // streams.
   bool disable_quic_on_timeout_with_open_streams_;
 
+  // True if QUIC should be marked as broken when a stream is closed with
+  // a possibly network-caused error.
+  bool mark_quic_broken_when_network_suspected_;
+
   // Number of times in a row that QUIC has been disabled.
   int consecutive_disabled_count_;
   bool need_to_evaluate_consecutive_disabled_count_;