QUIC - instrumentation for testing null QuicSpdyStream.

net/quic/quic_spdy_stream.h

Index: net/quic/quic_spdy_stream.h
diff --git a/net/quic/quic_spdy_stream.h b/net/quic/quic_spdy_stream.h
index d47d9d834cfeee91aaef4ca028070f9e8d0f46b7..93d2cce0daaebcabaa26899e4fa51136dacc4bb8 100644
--- a/net/quic/quic_spdy_stream.h
+++ b/net/quic/quic_spdy_stream.h
@@ -151,6 +151,9 @@ class NET_EXPORT_PRIVATE QuicSpdyStream : public ReliableQuicStream {
   // written to the server.
   void SetPriority(SpdyPriority priority);
 
+  // TODO(rtenneti): Temporary until crbug.com/585591 is solved.
+  void CrashIfInvalid() const;
+
  protected:
   // Called by OnStreamHeadersComplete depending on which type (initial or
   // trailing) headers are expected next.
@@ -167,6 +170,12 @@ class NET_EXPORT_PRIVATE QuicSpdyStream : public ReliableQuicStream {
   friend class test::ReliableQuicStreamPeer;
   friend class QuicStreamUtils;
 
+  // TODO(rtenneti): Temporary until crbug.com/585591 is solved.
+  enum Liveness {
+    ALIVE = 0xCA11AB13,
+    DEAD = 0xDEADBEEF,
+  };
+
   // Returns true if trailers have been fully read and consumed.
   bool FinishedReadingTrailers() const;
 
@@ -187,6 +196,9 @@ class NET_EXPORT_PRIVATE QuicSpdyStream : public ReliableQuicStream {
   // via ProcessData or Readv.
   std::string decompressed_trailers_;
 
+  // TODO(rtenneti): Temporary until crbug.com/585591 is solved.
+  Liveness liveness_ = ALIVE;
+
   DISALLOW_COPY_AND_ASSIGN(QuicSpdyStream);
 };