Remove OnDataAvailable() notification when trailers are to be delivered

net/quic/chromium/quic_chromium_client_stream.cc

Index: net/quic/chromium/quic_chromium_client_stream.cc
diff --git a/net/quic/chromium/quic_chromium_client_stream.cc b/net/quic/chromium/quic_chromium_client_stream.cc
index 049668e38a18d1fbbfa8c0506286441a20ee984e..e80f0fc7c14210e35983a44da308eb593deea536 100644
--- a/net/quic/chromium/quic_chromium_client_stream.cc
+++ b/net/quic/chromium/quic_chromium_client_stream.cc
@@ -136,6 +136,12 @@ void QuicChromiumClientStream::OnDataAvailable() {
     return;
   }
 
+  if (!sequencer()->HasBytesToRead() && !FinishedReadingTrailers()) {
+    // If there is no data to read, wait until either FIN is received or
+    // trailers are delivered.
+    return;
+  }
+
   // The delegate will read the data via a posted task, and
   // will be able to, potentially, read all data which has queued up.
   NotifyDelegateOfDataAvailableLater();