Pull out stream/session updates from OnConfigNegotiated. Preparation for

net/quic/quic_session.h

Index: net/quic/quic_session.h
diff --git a/net/quic/quic_session.h b/net/quic/quic_session.h
index 529eb6712572046dd70b094af06bd074e2fba47f..06946b729c7d0447d9b7b11e33cb3424a90a9941 100644
--- a/net/quic/quic_session.h
+++ b/net/quic/quic_session.h
@@ -268,6 +268,14 @@ class NET_EXPORT_PRIVATE QuicSession : public QuicConnectionVisitorInterface {
   void UpdateFlowControlOnFinalReceivedByteOffset(
       QuicStreamId id, QuicStreamOffset final_byte_offset);
 
+  // Called in OnConfigNegotiated when we receive a new stream level flow
+  // control window in a negotiated config. Closes the connection if invalid.
+  void OnNewStreamFlowControlWindow(uint32 new_window);
+
+  // Called in OnConfigNegotiated when we receive a new session level flow
+  // control window in a negotiated config. Closes the connection if invalid.
+  void OnNewSessionFlowControlWindow(uint32 new_window);
+
   // Keep track of highest received byte offset of locally closed streams, while
   // waiting for a definitive final highest offset from the peer.
   std::map<QuicStreamId, QuicStreamOffset>