relnote: Moving many QUIC DFATALS over to QUIC_BUG

net/quic/quic_session.cc

Index: net/quic/quic_session.cc
diff --git a/net/quic/quic_session.cc b/net/quic/quic_session.cc
index ffb204338727d26845d8aad163b5913562c3fccb..bf1ba4a75d5ce85d94b0b40954591f385e50c4e9 100644
--- a/net/quic/quic_session.cc
+++ b/net/quic/quic_session.cc
@@ -7,6 +7,7 @@
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "net/quic/crypto/proof_verifier.h"
+#include "net/quic/quic_bug_tracker.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_flags.h"
 #include "net/quic/quic_flow_controller.h"
@@ -195,8 +196,7 @@ void QuicSession::OnConnectionClosed(QuicErrorCode error, bool from_peer) {
     it->second->OnConnectionClosed(error, from_peer);
     // The stream should call CloseStream as part of OnConnectionClosed.
     if (dynamic_stream_map_.find(id) != dynamic_stream_map_.end()) {
-      LOG(DFATAL) << ENDPOINT
-                  << "Stream failed to close under OnConnectionClosed";
+      QUIC_BUG << ENDPOINT << "Stream failed to close under OnConnectionClosed";
       CloseStream(id);
     }
   }
@@ -260,7 +260,7 @@ void QuicSession::OnCanWrite() {
     if (!(write_blocked_streams_.HasWriteBlockedCryptoOrHeadersStream() ||
           write_blocked_streams_.HasWriteBlockedDataStreams())) {
       // Writing one stream removed another!? Something's broken.
-      LOG(DFATAL) << "WriteBlockedStream is missing";
+      QUIC_BUG << "WriteBlockedStream is missing";
       connection_->CloseConnection(QUIC_INTERNAL_ERROR, false);
       return;
     }
@@ -319,7 +319,7 @@ void QuicSession::SendRstStream(QuicStreamId id,
                                 QuicRstStreamErrorCode error,
                                 QuicStreamOffset bytes_written) {
   if (ContainsKey(static_stream_map_, id)) {
-    LOG(DFATAL) << "Cannot send RST for a static stream with ID " << id;
+    QUIC_BUG << "Cannot send RST for a static stream with ID " << id;
     return;
   }
 
@@ -776,7 +776,7 @@ void QuicSession::MarkConnectionLevelWriteBlocked(QuicStreamId id,
         << "Priorities do not match.  Got: " << static_cast<int>(priority)
         << " Expected: " << static_cast<int>(stream->Priority());
   } else {
-    LOG(DFATAL) << "Marking unknown stream " << id << " blocked.";
+    QUIC_BUG << "Marking unknown stream " << id << " blocked.";
   }
 #endif