Include HTTP header bytes in GetTotalSent/ReceivedBytes for QUIC.

net/quic/quic_http_stream.h

Index: net/quic/quic_http_stream.h
diff --git a/net/quic/quic_http_stream.h b/net/quic/quic_http_stream.h
index 18a3fda7d3809714f429a5740575c70eb50bec58..668b502d6a0106a1fc88c359f862d786e489c11a 100644
--- a/net/quic/quic_http_stream.h
+++ b/net/quic/quic_http_stream.h
@@ -62,7 +62,8 @@ class NET_EXPORT_PRIVATE QuicHttpStream
   void SetPriority(RequestPriority priority) override;
 
   // QuicReliableClientStream::Delegate implementation
-  void OnHeadersAvailable(const SpdyHeaderBlock& headers) override;
+  void OnHeadersAvailable(const SpdyHeaderBlock& headers,
+                          size_t frame_len) override;
   void OnDataAvailable() override;
   void OnClose(QuicErrorCode error) override;
   void OnError(int error) override;
@@ -144,6 +145,11 @@ class NET_EXPORT_PRIVATE QuicHttpStream
   // Serialized HTTP request.
   std::string request_;
 
+  // Number of bytes received by the headers stream on behalf of this stream.
+  int64_t headers_bytes_received_;
+  // Number of bytes sent by the headers stream on behalf of this stream.
+  int64_t headers_bytes_sent_;
+
   // Number of bytes received when the stream was closed.
   int64_t closed_stream_received_bytes_;
   // Number of bytes sent when the stream was closed.