QUIC - add instrumentation to HPACK.

net/spdy/spdy_framer.h

Index: net/spdy/spdy_framer.h
diff --git a/net/spdy/spdy_framer.h b/net/spdy/spdy_framer.h
index d67d41c937faab4969350c009352a3485a968ee5..3745275f3fc5a1e2b1c569ba6b7d2f4273ccbcc0 100644
--- a/net/spdy/spdy_framer.h
+++ b/net/spdy/spdy_framer.h
@@ -503,6 +503,12 @@ class NET_EXPORT_PRIVATE SpdyFramer {
     display_protocol_ = protocol;
   }
 
+  void SetDecoderHeaderTableDebugVisitor(
+      std::unique_ptr<HpackHeaderTable::DebugVisitorInterface> visitor);
+
+  void SetEncoderHeaderTableDebugVisitor(
+      std::unique_ptr<HpackHeaderTable::DebugVisitorInterface> visitor);
+
   // Returns the (minimum) size of frames (sans variable-length portions).
   size_t GetDataFrameMinimumSize() const;
   size_t GetControlFrameHeaderSize() const;