Send BLOCKED frame directly from ReliableQuicStream.

net/quic/reliable_quic_stream.cc

Index: net/quic/reliable_quic_stream.cc
diff --git a/net/quic/reliable_quic_stream.cc b/net/quic/reliable_quic_stream.cc
index f52dde31490b66199287e44e7129d88824ef205b..bc8d0f8fde4732e86205f70e35221cfff7ba6d8c 100644
--- a/net/quic/reliable_quic_stream.cc
+++ b/net/quic/reliable_quic_stream.cc
@@ -351,7 +351,7 @@ QuicConsumedData ReliableQuicStream::WritevData(
   if (IsFlowControlEnabled()) {
     if (send_window == 0 && !fin_with_zero_data) {
       // Quick return if we can't send anything.
-      session_->MarkFlowControlBlocked(id(), EffectivePriority());
+      session()->connection()->SendBlocked(id());
       return QuicConsumedData(0, false);
     }
 
@@ -383,7 +383,7 @@ QuicConsumedData ReliableQuicStream::WritevData(
                << flow_control_send_limit_;
       // The entire send_window has been consumed, we are now flow control
       // blocked.
-      session_->MarkFlowControlBlocked(id(), EffectivePriority());
+      session()->connection()->SendBlocked(id());
     }
     if (fin && consumed_data.fin_consumed) {
       fin_sent_ = true;