Add a new QUIC error code for connection migration, which will be used to...

Add a new QUIC error code for connection migration, which will be used to close the connection when migration is triggered before handshake is confirmed.

Manually merge internal change: 205108882

Bug: 790547
Change-Id: Id337b125c38b9d06d892a9f3a235f61d10f3eaf4
Reviewed-on: https://chromium-review.googlesource.com/1142379Reviewed-by: Ryan Hamilton <rch@chromium.org>
Commit-Queue: Zhongyi Shi <zhongyi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576246}

components/domain_reliability/quic_error_mapping.cc

@@ -242,6 +242,9 @@ const struct QuicErrorMapping {
     // Network changed, but error was encountered on the alternative network.
     {quic::QUIC_CONNECTION_MIGRATION_INTERNAL_ERROR,
      "quic.connection_migration_internal_error"},
+    // Network changed, but error was encountered on the alternative network.
+    {quic::QUIC_CONNECTION_MIGRATION_HANDSHAKE_UNCONFIRMED,
+     "quic.connection_migration_handshake_unconfirmed"},
 
     // Stream frame overlaps with buffered data.
     {quic::QUIC_OVERLAPPING_STREAM_DATA, "quic.overlapping_stream_data"},

net/third_party/quic/core/quic_error_codes.cc

@@ -147,6 +147,7 @@ const char* QuicErrorCodeToString(QuicErrorCode error) {
     RETURN_STRING_LITERAL(QUIC_INVALID_STOP_SENDING_FRAME_DATA);
     RETURN_STRING_LITERAL(QUIC_INVALID_PATH_CHALLENGE_DATA);
     RETURN_STRING_LITERAL(QUIC_INVALID_PATH_RESPONSE_DATA);
+    RETURN_STRING_LITERAL(QUIC_CONNECTION_MIGRATION_HANDSHAKE_UNCONFIRMED);
     RETURN_STRING_LITERAL(QUIC_LAST_ERROR);
     // Intentionally have no default case, so we'll break the build
     // if we add errors and don't put them here.

net/third_party/quic/core/quic_error_codes.h

@@ -267,6 +267,8 @@ enum QuicErrorCode {
   QUIC_CONNECTION_MIGRATION_DISABLED_BY_CONFIG = 99,
   // Network changed, but error was encountered on the alternative network.
   QUIC_CONNECTION_MIGRATION_INTERNAL_ERROR = 100,
+  // Network changed, but handshake is not confirmed yet.
+  QUIC_CONNECTION_MIGRATION_HANDSHAKE_UNCONFIRMED = 111,
 
   // Stream frames arrived too discontiguously so that stream sequencer buffer
   // maintains too many intervals.
@@ -302,7 +304,7 @@ enum QuicErrorCode {
   QUIC_INVALID_PATH_RESPONSE_DATA = 110,
 
   // No error. Used as bound while iterating.
-  QUIC_LAST_ERROR = 111,
+  QUIC_LAST_ERROR = 112,
 };
 // QuicErrorCodes is encoded as a single octet on-the-wire.
 static_assert(static_cast<int>(QUIC_LAST_ERROR) <=