Track QuicChromiumClientSession in net/ MemoryDumpProvider

net/quic/chromium/quic_chromium_client_session.h

Index: net/quic/chromium/quic_chromium_client_session.h
diff --git a/net/quic/chromium/quic_chromium_client_session.h b/net/quic/chromium/quic_chromium_client_session.h
index 1276e55a273ccabfb8b99bcb17a789ab14077b87..12b007aac357e1a5d0adeca45c90529f0ed3a4f6 100644
--- a/net/quic/chromium/quic_chromium_client_session.h
+++ b/net/quic/chromium/quic_chromium_client_session.h
@@ -317,6 +317,11 @@ class NET_EXPORT_PRIVATE QuicChromiumClientSession
 
   QuicVersion GetQuicVersion() const;
 
+  // Returns the estimate of dynamically allocated memory in bytes.
+  // See base/trace_event/memory_usage_estimator.h.
+  // TODO(xunjieli): It only tracks |packet_readers_|. Write a better estimate.
+  size_t EstimateMemoryUsage() const;
+
  protected:
   // QuicSession methods:
   bool ShouldCreateIncomingDynamicStream(QuicStreamId id) override;