Add NetworkIsolationKeys to QUIC/H2 session value representations.

Bug: None
Change-Id: Id9bb87e0ebe02192d3fac971610b3e518f975d7f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1960988Reviewed-by: Zhongyi Shi <zhongyi@chromium.org>
Commit-Queue: Matt Menke <mmenke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#723578}

net/quic/quic_chromium_client_session.cc

@@ -2864,6 +2864,8 @@ base::Value QuicChromiumClientSession::GetInfoAsValue(
 
   dict.SetInteger("total_streams", num_total_streams_);
   dict.SetString("peer_address", peer_address().ToString());
+  dict.SetString("network_isolation_key",
+                 session_key_.network_isolation_key().ToDebugString());
   dict.SetString("connection_id", connection_id().ToString());
   dict.SetBoolean("connected", connection()->connected());
   const quic::QuicConnectionStats& stats = connection()->GetStats();

net/spdy/spdy_session.cc

@@ -1420,6 +1420,8 @@ base::Value SpdySession::GetInfoAsValue() const {
     dict.SetKey("aliases", std::move(alias_list));
   }
   dict.SetStringKey("proxy", host_port_proxy_pair().second.ToURI());
+  dict.SetStringKey("network_isolation_key",
+                    spdy_session_key_.network_isolation_key().ToDebugString());
 
   dict.SetIntKey("active_streams", active_streams_.size());