Close QUIC connection with correct flow control error code, added a test

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 34613ac7d39cdd6f22e70d5bd0fb417a1ced7feb..8a2f8b4eaa6a25a6e50796fc4360185f8b5cf124 100644
--- a/net/quic/quic_session.cc
+++ b/net/quic/quic_session.cc
@@ -452,7 +452,8 @@ void QuicSession::UpdateFlowControlOnFinalReceivedByteOffset(
       flow_controller_->highest_received_byte_offset() + offset_diff)) {
     // If the final offset violates flow control, close the connection now.
     if (flow_controller_->FlowControlViolation()) {
-      connection_->SendConnectionClose(QUIC_FLOW_CONTROL_SENT_TOO_MUCH_DATA);
+      connection_->SendConnectionClose(
+          QUIC_FLOW_CONTROL_RECEIVED_TOO_MUCH_DATA);
       return;
     }
   }